diff --git a/pyrogram/client.py b/pyrogram/client.py
index 28c65c16..df06e94c 100644
--- a/pyrogram/client.py
+++ b/pyrogram/client.py
@@ -47,6 +47,7 @@ from pyrogram.storage import Storage, FileStorage, MemoryStorage
 from pyrogram.types import User, TermsOfService
 from pyrogram.utils import ainput
 from .dispatcher import Dispatcher
+from .file_id import FileId, FileType, ThumbnailSource
 from .scaffold import Scaffold
 
 log = logging.getLogger(__name__)
@@ -493,22 +494,11 @@ class Client(Methods, Scaffold):
         final_file_path = ""
 
         try:
-            data, directory, file_name, progress, progress_args = packet
+            file_id, directory, file_name, file_size, progress, progress_args = packet
 
             temp_file_path = await self.get_file(
-                media_type=data.media_type,
-                dc_id=data.dc_id,
-                document_id=data.document_id,
-                access_hash=data.access_hash,
-                thumb_size=data.thumb_size,
-                peer_id=data.peer_id,
-                peer_type=data.peer_type,
-                peer_access_hash=data.peer_access_hash,
-                volume_id=data.volume_id,
-                local_id=data.local_id,
-                file_ref=data.file_ref,
-                file_size=data.file_size,
-                is_big=data.is_big,
+                file_id=file_id,
+                file_size=file_size,
                 progress=progress,
                 progress_args=progress_args
             )
@@ -817,22 +807,13 @@ class Client(Methods, Scaffold):
 
     async def get_file(
         self,
-        media_type: int,
-        dc_id: int,
-        document_id: int,
-        access_hash: int,
-        thumb_size: str,
-        peer_id: int,
-        peer_type: str,
-        peer_access_hash: int,
-        volume_id: int,
-        local_id: int,
-        file_ref: str,
+        file_id: FileId,
         file_size: int,
-        is_big: bool,
         progress: callable,
         progress_args: tuple = ()
     ) -> str:
+        dc_id = file_id.dc_id
+
         async with self.media_sessions_lock:
             session = self.media_sessions.get(dc_id, None)
 
@@ -874,49 +855,43 @@ class Client(Methods, Scaffold):
 
                 self.media_sessions[dc_id] = session
 
-        file_ref = utils.decode_file_ref(file_ref)
+        file_type = file_id.file_type
 
-        if media_type == 1:
-            if peer_type == "user":
+        if file_type == FileType.CHAT_PHOTO:
+            if file_id.chat_id > 0:
                 peer = raw.types.InputPeerUser(
-                    user_id=peer_id,
-                    access_hash=peer_access_hash
-                )
-            elif peer_type == "chat":
-                peer = raw.types.InputPeerChat(
-                    chat_id=peer_id
+                    user_id=file_id.chat_id,
+                    access_hash=file_id.chat_access_hash
                 )
             else:
-                peer = raw.types.InputPeerChannel(
-                    channel_id=peer_id,
-                    access_hash=peer_access_hash
-                )
+                if file_id.chat_access_hash == 0:
+                    peer = raw.types.InputPeerChat(
+                        chat_id=file_id.chat_id
+                    )
+                else:
+                    peer = raw.types.InputPeerChannel(
+                        channel_id=file_id.chat_id,
+                        access_hash=file_id.chat_access_hash
+                    )
 
             location = raw.types.InputPeerPhotoFileLocation(
                 peer=peer,
-                volume_id=volume_id,
-                local_id=local_id,
-                big=is_big or None
+                volume_id=file_id.volume_id,
+                local_id=file_id.local_id,
+                big=file_id.thumbnail_source == ThumbnailSource.CHAT_PHOTO_BIG
             )
-        elif media_type in (0, 2):
+        elif file_type in (FileType.THUMBNAIL, FileType.PHOTO):
             location = raw.types.InputPhotoFileLocation(
-                id=document_id,
-                access_hash=access_hash,
-                file_reference=file_ref,
-                thumb_size=thumb_size
-            )
-        elif media_type == 14:
-            location = raw.types.InputDocumentFileLocation(
-                id=document_id,
-                access_hash=access_hash,
-                file_reference=file_ref,
-                thumb_size=thumb_size
+                id=file_id.media_id,
+                access_hash=file_id.access_hash,
+                file_reference=file_id.file_reference,
+                thumb_size=file_id.thumbnail_size
             )
         else:
             location = raw.types.InputDocumentFileLocation(
-                id=document_id,
-                access_hash=access_hash,
-                file_reference=file_ref,
+                id=file_id.media_id,
+                access_hash=file_id.access_hash,
+                file_reference=file_id.file_reference,
                 thumb_size=""
             )
 
diff --git a/pyrogram/methods/chats/set_chat_photo.py b/pyrogram/methods/chats/set_chat_photo.py
index 8ccb123c..0474fd18 100644
--- a/pyrogram/methods/chats/set_chat_photo.py
+++ b/pyrogram/methods/chats/set_chat_photo.py
@@ -22,6 +22,7 @@ from typing import Union, BinaryIO
 from pyrogram import raw
 from pyrogram import utils
 from pyrogram.scaffold import Scaffold
+from pyrogram.file_id import FileType
 
 
 class SetChatPhoto(Scaffold):
@@ -30,8 +31,7 @@ class SetChatPhoto(Scaffold):
         chat_id: Union[int, str],
         *,
         photo: Union[str, BinaryIO] = None,
-        video: Union[str, BinaryIO] = None,
-        file_ref: str = None
+        video: Union[str, BinaryIO] = None
     ) -> bool:
         """Set a new chat photo or video (H.264/MPEG-4 AVC video, max 5 seconds).
 
@@ -45,19 +45,15 @@ class SetChatPhoto(Scaffold):
                 Unique identifier (int) or username (str) of the target chat.
 
             photo (``str`` | ``BinaryIO``, *optional*):
-                New chat photo. You can pass a :obj:`~pyrogram.types.Photo` file_id (in pair with a valid file_ref), a
-                file path to upload a new photo from your local machine or a binary file-like object with its attribute
+                New chat photo. You can pass a :obj:`~pyrogram.types.Photo` file_id, a file path to upload a new photo
+                from your local machine or a binary file-like object with its attribute
                 ".name" set for in-memory uploads.
 
             video (``str`` | ``BinaryIO``, *optional*):
-                New chat video. You can pass a :obj:`~pyrogram.types.Video` file_id (in pair with a valid file_ref), a
-                file path to upload a new video from your local machine or a binary file-like object with its attribute
+                New chat video. You can pass a :obj:`~pyrogram.types.Video` file_id, a file path to upload a new video
+                from your local machine or a binary file-like object with its attribute
                 ".name" set for in-memory uploads.
 
-            file_ref (``str``, *optional*):
-                A valid file reference obtained by a recently fetched media message.
-                To be used in combination with a file_id in case a file reference is needed.
-
         Returns:
             ``bool``: True on success.
 
@@ -71,14 +67,14 @@ class SetChatPhoto(Scaffold):
                 app.set_chat_photo(chat_id, photo="photo.jpg")
 
                 # Set chat photo using an exiting Photo file_id
-                app.set_chat_photo(chat_id, photo=photo.file_id, file_ref=photo.file_ref)
+                app.set_chat_photo(chat_id, photo=photo.file_id)
 
 
                 # Set chat video using a local file
                 app.set_chat_photo(chat_id, video="video.mp4")
 
                 # Set chat photo using an exiting Video file_id
-                app.set_chat_photo(chat_id, video=video.file_id, file_ref=video.file_ref)
+                app.set_chat_photo(chat_id, video=video.file_id)
         """
         peer = await self.resolve_peer(chat_id)
 
@@ -89,7 +85,7 @@ class SetChatPhoto(Scaffold):
                     video=await self.save_file(video)
                 )
             else:
-                photo = utils.get_input_media_from_file_id(photo, file_ref, 2)
+                photo = utils.get_input_media_from_file_id(photo, FileType.PHOTO)
                 photo = raw.types.InputChatPhoto(id=photo.id)
         else:
             photo = raw.types.InputChatUploadedPhoto(
diff --git a/pyrogram/methods/messages/download_media.py b/pyrogram/methods/messages/download_media.py
index c6919809..c2d4d0b4 100644
--- a/pyrogram/methods/messages/download_media.py
+++ b/pyrogram/methods/messages/download_media.py
@@ -17,51 +17,22 @@
 #  along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
 
 import asyncio
-import binascii
 import os
-import struct
 import time
 from datetime import datetime
 from typing import Union
 
 from pyrogram import types
-from pyrogram import utils
-from pyrogram.errors import FileIdInvalid
+from pyrogram.file_id import FileId, FileType, PHOTO_TYPES
 from pyrogram.scaffold import Scaffold
 
 DEFAULT_DOWNLOAD_DIR = "downloads/"
 
 
-class FileData:
-    def __init__(
-        self, *, media_type: int = None, dc_id: int = None, document_id: int = None, access_hash: int = None,
-        thumb_size: str = None, peer_id: int = None, peer_type: str = None, peer_access_hash: int = None,
-        volume_id: int = None, local_id: int = None, is_big: bool = None, file_size: int = None, mime_type: str = None,
-        file_name: str = None, date: int = None, file_ref: str = None
-    ):
-        self.media_type = media_type
-        self.dc_id = dc_id
-        self.document_id = document_id
-        self.access_hash = access_hash
-        self.thumb_size = thumb_size
-        self.peer_id = peer_id
-        self.peer_type = peer_type
-        self.peer_access_hash = peer_access_hash
-        self.volume_id = volume_id
-        self.local_id = local_id
-        self.is_big = is_big
-        self.file_size = file_size
-        self.mime_type = mime_type
-        self.file_name = file_name
-        self.date = date
-        self.file_ref = file_ref
-
-
 class DownloadMedia(Scaffold):
     async def download_media(
         self,
-        message: Union["types.Message", str],
-        file_ref: str = None,
+        media: Union["types.Message", str],
         file_name: str = DEFAULT_DOWNLOAD_DIR,
         block: bool = True,
         progress: callable = None,
@@ -70,13 +41,9 @@ class DownloadMedia(Scaffold):
         """Download the media from a message.
 
         Parameters:
-            message (:obj:`~pyrogram.types.Message` | ``str``):
-                Pass a Message containing the media, the media itself (message.audio, message.video, ...) or
-                the file id as string.
-
-            file_ref (``str``, *optional*):
-                A valid file reference obtained by a recently fetched media message.
-                To be used in combination with a file id in case a file reference is needed.
+            media (:obj:`~pyrogram.types.Message` | ``str``):
+                Pass a Message containing the media, the media itself (message.audio, message.video, ...) or a file id
+                as string.
 
             file_name (``str``, *optional*):
                 A custom *file_name* to be used instead of the one provided by Telegram.
@@ -133,136 +100,63 @@ class DownloadMedia(Scaffold):
 
                 app.download_media(message, progress=progress)
         """
-        error_message = "This message doesn't contain any downloadable media"
-        available_media = ("audio", "document", "photo", "sticker", "animation", "video", "voice", "video_note", "new_chat_photo")
+        available_media = ("audio", "document", "photo", "sticker", "animation", "video", "voice", "video_note",
+                           "new_chat_photo")
 
-        media_file_name = None
-        file_size = None
-        mime_type = None
-        date = None
-
-        if isinstance(message, types.Message):
+        if isinstance(media, types.Message):
             for kind in available_media:
-                media = getattr(message, kind, None)
+                media = getattr(media, kind, None)
 
                 if media is not None:
                     break
             else:
-                raise ValueError(error_message)
-        else:
-            media = message
+                raise ValueError("This message doesn't contain any downloadable media")
 
         if isinstance(media, str):
             file_id_str = media
         else:
             file_id_str = media.file_id
-            media_file_name = getattr(media, "file_name", "")
-            file_size = getattr(media, "file_size", None)
-            mime_type = getattr(media, "mime_type", None)
-            date = getattr(media, "date", None)
-            file_ref = getattr(media, "file_ref", None)
 
-        data = FileData(
-            file_name=media_file_name,
-            file_size=file_size,
-            mime_type=mime_type,
-            date=date,
-            file_ref=file_ref
-        )
+        file_id_obj = FileId.decode(file_id_str)
 
-        def get_existing_attributes() -> dict:
-            return dict(filter(lambda x: x[1] is not None, data.__dict__.items()))
-
-        try:
-            decoded = utils.decode_file_id(file_id_str)
-            media_type = decoded[0]
-
-            if media_type == 1:
-                unpacked = struct.unpack("<iiqqqiiiqi", decoded)
-                dc_id, photo_id, _, volume_id, size_type, peer_id, x, peer_access_hash, local_id = unpacked[1:]
-
-                if x == 0:
-                    peer_type = "user"
-                elif x == -1:
-                    peer_id = -peer_id
-                    peer_type = "chat"
-                else:
-                    peer_id = utils.get_channel_id(peer_id - 1000727379968)
-                    peer_type = "channel"
-
-                data = FileData(
-                    **get_existing_attributes(),
-                    media_type=media_type,
-                    dc_id=dc_id,
-                    peer_id=peer_id,
-                    peer_type=peer_type,
-                    peer_access_hash=peer_access_hash,
-                    volume_id=volume_id,
-                    local_id=local_id,
-                    is_big=size_type == 3
-                )
-            elif media_type in (0, 2, 14):
-                unpacked = struct.unpack("<iiqqqiiii", decoded)
-                dc_id, document_id, access_hash, volume_id, _, _, thumb_size, local_id = unpacked[1:]
-
-                data = FileData(
-                    **get_existing_attributes(),
-                    media_type=media_type,
-                    dc_id=dc_id,
-                    document_id=document_id,
-                    access_hash=access_hash,
-                    thumb_size=chr(thumb_size)
-                )
-            elif media_type in (3, 4, 5, 8, 9, 10, 13):
-                unpacked = struct.unpack("<iiqq", decoded)
-                dc_id, document_id, access_hash = unpacked[1:]
-
-                data = FileData(
-                    **get_existing_attributes(),
-                    media_type=media_type,
-                    dc_id=dc_id,
-                    document_id=document_id,
-                    access_hash=access_hash
-                )
-            else:
-                raise ValueError(f"Unknown media type: {file_id_str}")
-        except (AssertionError, binascii.Error, struct.error):
-            raise FileIdInvalid from None
+        file_type = file_id_obj.file_type
+        media_file_name = getattr(media, "file_name", "")
+        file_size = getattr(media, "file_size", 0)
+        mime_type = getattr(media, "mime_type", None)
+        date = getattr(media, "date", 0)
 
         directory, file_name = os.path.split(file_name)
-        file_name = file_name or data.file_name or ""
+        file_name = file_name or media_file_name or ""
 
         if not os.path.isabs(file_name):
             directory = self.PARENT_DIR / (directory or DEFAULT_DOWNLOAD_DIR)
 
-        media_type_str = self.MEDIA_TYPE_ID[data.media_type]
-
         if not file_name:
-            guessed_extension = self.guess_extension(data.mime_type)
+            guessed_extension = self.guess_extension(mime_type)
 
-            if data.media_type in (0, 1, 2, 14):
+            if file_type in PHOTO_TYPES:
                 extension = ".jpg"
-            elif data.media_type == 3:
+            elif file_type == FileType.VOICE:
                 extension = guessed_extension or ".ogg"
-            elif data.media_type in (4, 10, 13):
+            elif file_type in (FileType.VIDEO, FileType.ANIMATION, FileType.VIDEO_NOTE):
                 extension = guessed_extension or ".mp4"
-            elif data.media_type == 5:
+            elif file_type == FileType.DOCUMENT:
                 extension = guessed_extension or ".zip"
-            elif data.media_type == 8:
+            elif file_type == FileType.STICKER:
                 extension = guessed_extension or ".webp"
-            elif data.media_type == 9:
+            elif file_type == FileType.AUDIO:
                 extension = guessed_extension or ".mp3"
             else:
                 extension = ".unknown"
 
             file_name = "{}_{}_{}{}".format(
-                media_type_str,
-                datetime.fromtimestamp(data.date or time.time()).strftime("%Y-%m-%d_%H-%M-%S"),
+                FileType(file_id_obj.file_type).name.lower(),
+                datetime.fromtimestamp(date or time.time()).strftime("%Y-%m-%d_%H-%M-%S"),
                 self.rnd_id(),
                 extension
             )
 
-        downloader = self.handle_download((data, directory, file_name, progress, progress_args))
+        downloader = self.handle_download((file_id_obj, directory, file_name, file_size, progress, progress_args))
 
         if block:
             return await downloader
diff --git a/pyrogram/methods/messages/edit_inline_media.py b/pyrogram/methods/messages/edit_inline_media.py
index 2e7147e2..86e27bae 100644
--- a/pyrogram/methods/messages/edit_inline_media.py
+++ b/pyrogram/methods/messages/edit_inline_media.py
@@ -23,6 +23,7 @@ from pyrogram import types
 from pyrogram import utils
 from pyrogram.scaffold import Scaffold
 from .inline_session import get_session
+from pyrogram.file_id import FileType
 
 
 class EditInlineMedia(Scaffold):
@@ -76,35 +77,35 @@ class EditInlineMedia(Scaffold):
                     url=media.media
                 )
             else:
-                media = utils.get_input_media_from_file_id(media.media, media.file_ref, 2)
+                media = utils.get_input_media_from_file_id(media.media, FileType.PHOTO)
         elif isinstance(media, types.InputMediaVideo):
             if re.match("^https?://", media.media):
                 media = raw.types.InputMediaDocumentExternal(
                     url=media.media
                 )
             else:
-                media = utils.get_input_media_from_file_id(media.media, media.file_ref, 4)
+                media = utils.get_input_media_from_file_id(media.media, FileType.VIDEO)
         elif isinstance(media, types.InputMediaAudio):
             if re.match("^https?://", media.media):
                 media = raw.types.InputMediaDocumentExternal(
                     url=media.media
                 )
             else:
-                media = utils.get_input_media_from_file_id(media.media, media.file_ref, 9)
+                media = utils.get_input_media_from_file_id(media.media, FileType.AUDIO)
         elif isinstance(media, types.InputMediaAnimation):
             if re.match("^https?://", media.media):
                 media = raw.types.InputMediaDocumentExternal(
                     url=media.media
                 )
             else:
-                media = utils.get_input_media_from_file_id(media.media, media.file_ref, 10)
+                media = utils.get_input_media_from_file_id(media.media, FileType.ANIMATION)
         elif isinstance(media, types.InputMediaDocument):
             if re.match("^https?://", media.media):
                 media = raw.types.InputMediaDocumentExternal(
                     url=media.media
                 )
             else:
-                media = utils.get_input_media_from_file_id(media.media, media.file_ref, 5)
+                media = utils.get_input_media_from_file_id(media.media, FileType.DOCUMENT)
 
         unpacked = utils.unpack_inline_message_id(inline_message_id)
         dc_id = unpacked.dc_id
diff --git a/pyrogram/methods/messages/edit_message_media.py b/pyrogram/methods/messages/edit_message_media.py
index bef439d6..8737bd91 100644
--- a/pyrogram/methods/messages/edit_message_media.py
+++ b/pyrogram/methods/messages/edit_message_media.py
@@ -23,6 +23,7 @@ from typing import Union
 from pyrogram import raw
 from pyrogram import types
 from pyrogram import utils
+from pyrogram.file_id import FileType
 from pyrogram.scaffold import Scaffold
 
 
@@ -102,7 +103,7 @@ class EditMessageMedia(Scaffold):
                     url=media.media
                 )
             else:
-                media = utils.get_input_media_from_file_id(media.media, media.file_ref, 2)
+                media = utils.get_input_media_from_file_id(media.media, FileType.PHOTO)
         elif isinstance(media, types.InputMediaVideo):
             if os.path.isfile(media.media):
                 media = await self.send(
@@ -139,7 +140,7 @@ class EditMessageMedia(Scaffold):
                     url=media.media
                 )
             else:
-                media = utils.get_input_media_from_file_id(media.media, media.file_ref, 4)
+                media = utils.get_input_media_from_file_id(media.media, FileType.VIDEO)
         elif isinstance(media, types.InputMediaAudio):
             if os.path.isfile(media.media):
                 media = await self.send(
@@ -175,7 +176,7 @@ class EditMessageMedia(Scaffold):
                     url=media.media
                 )
             else:
-                media = utils.get_input_media_from_file_id(media.media, media.file_ref, 9)
+                media = utils.get_input_media_from_file_id(media.media, FileType.AUDIO)
         elif isinstance(media, types.InputMediaAnimation):
             if os.path.isfile(media.media):
                 media = await self.send(
@@ -213,7 +214,7 @@ class EditMessageMedia(Scaffold):
                     url=media.media
                 )
             else:
-                media = utils.get_input_media_from_file_id(media.media, media.file_ref, 10)
+                media = utils.get_input_media_from_file_id(media.media, FileType.ANIMATION)
         elif isinstance(media, types.InputMediaDocument):
             if os.path.isfile(media.media):
                 media = await self.send(
@@ -244,7 +245,7 @@ class EditMessageMedia(Scaffold):
                     url=media.media
                 )
             else:
-                media = utils.get_input_media_from_file_id(media.media, media.file_ref, 5)
+                media = utils.get_input_media_from_file_id(media.media, FileType.DOCUMENT)
 
         r = await self.send(
             raw.functions.messages.EditMessage(
diff --git a/pyrogram/methods/messages/send_animation.py b/pyrogram/methods/messages/send_animation.py
index 896ed5c5..2abc8a92 100644
--- a/pyrogram/methods/messages/send_animation.py
+++ b/pyrogram/methods/messages/send_animation.py
@@ -25,6 +25,7 @@ from pyrogram import raw
 from pyrogram import types
 from pyrogram import utils
 from pyrogram.errors import FilePartMissing
+from pyrogram.file_id import FileType
 from pyrogram.scaffold import Scaffold
 
 
@@ -33,7 +34,6 @@ class SendAnimation(Scaffold):
         self,
         chat_id: Union[int, str],
         animation: Union[str, BinaryIO],
-        file_ref: str = None,
         caption: str = "",
         unsave: bool = False,
         parse_mode: Union[str, None] = object,
@@ -69,10 +69,6 @@ class SendAnimation(Scaffold):
                 pass a file path as string to upload a new animation that exists on your local machine, or
                 pass a binary file-like object with its attribute ".name" set for in-memory uploads.
 
-            file_ref (``str``, *optional*):
-                A valid file reference obtained by a recently fetched media message.
-                To be used in combination with a file id in case a file reference is needed.
-
             caption (``str``, *optional*):
                 Animation caption, 0-1024 characters.
 
@@ -192,7 +188,7 @@ class SendAnimation(Scaffold):
                         url=animation
                     )
                 else:
-                    media = utils.get_input_media_from_file_id(animation, file_ref, 10)
+                    media = utils.get_input_media_from_file_id(animation, FileType.ANIMATION)
             else:
                 thumb = await self.save_file(thumb)
                 file = await self.save_file(animation, progress=progress, progress_args=progress_args)
@@ -242,7 +238,9 @@ class SendAnimation(Scaffold):
 
                             if unsave:
                                 document = message.animation or message.document
-                                document_id = utils.get_input_media_from_file_id(document.file_id, document.file_ref).id
+                                document_id = utils.get_input_media_from_file_id(
+                                    document.file_id, FileType.ANIMATION
+                                ).id
 
                                 await self.send(
                                     raw.functions.messages.SaveGif(
diff --git a/pyrogram/methods/messages/send_audio.py b/pyrogram/methods/messages/send_audio.py
index 45204716..ceff4a54 100644
--- a/pyrogram/methods/messages/send_audio.py
+++ b/pyrogram/methods/messages/send_audio.py
@@ -25,6 +25,7 @@ from pyrogram import raw
 from pyrogram import types
 from pyrogram import utils
 from pyrogram.errors import FilePartMissing
+from pyrogram.file_id import FileType
 from pyrogram.scaffold import Scaffold
 
 
@@ -33,7 +34,6 @@ class SendAudio(Scaffold):
         self,
         chat_id: Union[int, str],
         audio: Union[str, BinaryIO],
-        file_ref: str = None,
         caption: str = "",
         parse_mode: Union[str, None] = object,
         duration: int = 0,
@@ -69,10 +69,6 @@ class SendAudio(Scaffold):
                 pass a file path as string to upload a new audio file that exists on your local machine, or
                 pass a binary file-like object with its attribute ".name" set for in-memory uploads.
 
-            file_ref (``str``, *optional*):
-                A valid file reference obtained by a recently fetched media message.
-                To be used in combination with a file id in case a file reference is needed.
-
             caption (``str``, *optional*):
                 Audio caption, 0-1024 characters.
 
@@ -188,7 +184,7 @@ class SendAudio(Scaffold):
                         url=audio
                     )
                 else:
-                    media = utils.get_input_media_from_file_id(audio, file_ref, 9)
+                    media = utils.get_input_media_from_file_id(audio, FileType.AUDIO)
             else:
                 thumb = await self.save_file(thumb)
                 file = await self.save_file(audio, progress=progress, progress_args=progress_args)
diff --git a/pyrogram/methods/messages/send_cached_media.py b/pyrogram/methods/messages/send_cached_media.py
index 3d805c4d..bc7b2f15 100644
--- a/pyrogram/methods/messages/send_cached_media.py
+++ b/pyrogram/methods/messages/send_cached_media.py
@@ -29,7 +29,6 @@ class SendCachedMedia(Scaffold):
         self,
         chat_id: Union[int, str],
         file_id: str,
-        file_ref: str = None,
         caption: str = "",
         parse_mode: Union[str, None] = object,
         disable_notification: bool = None,
@@ -58,10 +57,6 @@ class SendCachedMedia(Scaffold):
                 Media to send.
                 Pass a file_id as string to send a media that exists on the Telegram servers.
 
-            file_ref (``str``, *optional*):
-                A valid file reference obtained by a recently fetched media message.
-                To be used in combination with a file id in case a file reference is needed.
-
             caption (``str``, *optional*):
                 Media caption, 0-1024 characters.
 
@@ -98,7 +93,7 @@ class SendCachedMedia(Scaffold):
         r = await self.send(
             raw.functions.messages.SendMedia(
                 peer=await self.resolve_peer(chat_id),
-                media=utils.get_input_media_from_file_id(file_id, file_ref),
+                media=utils.get_input_media_from_file_id(file_id),
                 silent=disable_notification or None,
                 reply_to_msg_id=reply_to_message_id,
                 random_id=self.rnd_id(),
diff --git a/pyrogram/methods/messages/send_document.py b/pyrogram/methods/messages/send_document.py
index f7ba28de..d64117d5 100644
--- a/pyrogram/methods/messages/send_document.py
+++ b/pyrogram/methods/messages/send_document.py
@@ -25,6 +25,7 @@ from pyrogram import raw
 from pyrogram import types
 from pyrogram import utils
 from pyrogram.errors import FilePartMissing
+from pyrogram.file_id import FileType
 from pyrogram.scaffold import Scaffold
 
 
@@ -33,7 +34,6 @@ class SendDocument(Scaffold):
         self,
         chat_id: Union[int, str],
         document: Union[str, BinaryIO],
-        file_ref: str = None,
         thumb: Union[str, BinaryIO] = None,
         caption: str = "",
         parse_mode: Union[str, None] = object,
@@ -66,10 +66,6 @@ class SendDocument(Scaffold):
                 pass a file path as string to upload a new file that exists on your local machine, or
                 pass a binary file-like object with its attribute ".name" set for in-memory uploads.
 
-            file_ref (``str``, *optional*):
-                A valid file reference obtained by a recently fetched media message.
-                To be used in combination with a file id in case a file reference is needed.
-
             thumb (``str`` | ``BinaryIO``, *optional*):
                 Thumbnail of the file sent.
                 The thumbnail should be in JPEG format and less than 200 KB in size.
@@ -171,7 +167,7 @@ class SendDocument(Scaffold):
                         url=document
                     )
                 else:
-                    media = utils.get_input_media_from_file_id(document, file_ref, 5)
+                    media = utils.get_input_media_from_file_id(document, FileType.DOCUMENT)
             else:
                 thumb = await self.save_file(thumb)
                 file = await self.save_file(document, progress=progress, progress_args=progress_args)
diff --git a/pyrogram/methods/messages/send_media_group.py b/pyrogram/methods/messages/send_media_group.py
index 400b7575..61956785 100644
--- a/pyrogram/methods/messages/send_media_group.py
+++ b/pyrogram/methods/messages/send_media_group.py
@@ -24,6 +24,7 @@ from typing import Union, List
 from pyrogram import raw
 from pyrogram import types
 from pyrogram import utils
+from pyrogram.file_id import FileType
 from pyrogram.scaffold import Scaffold
 
 log = logging.getLogger(__name__)
@@ -117,7 +118,7 @@ class SendMediaGroup(Scaffold):
                         )
                     )
                 else:
-                    media = utils.get_input_media_from_file_id(i.media, i.file_ref, 2)
+                    media = utils.get_input_media_from_file_id(i.media, FileType.PHOTO)
             elif isinstance(i, types.InputMediaVideo):
                 if os.path.isfile(i.media):
                     media = await self.send(
@@ -165,7 +166,7 @@ class SendMediaGroup(Scaffold):
                         )
                     )
                 else:
-                    media = utils.get_input_media_from_file_id(i.media, i.file_ref, 4)
+                    media = utils.get_input_media_from_file_id(i.media, FileType.VIDEO)
             elif isinstance(i, types.InputMediaAudio):
                 if os.path.isfile(i.media):
                     media = await self.send(
@@ -212,7 +213,7 @@ class SendMediaGroup(Scaffold):
                         )
                     )
                 else:
-                    media = utils.get_input_media_from_file_id(i.media, i.file_ref, 9)
+                    media = utils.get_input_media_from_file_id(i.media, FileType.AUDIO)
             elif isinstance(i, types.InputMediaDocument):
                 if os.path.isfile(i.media):
                     media = await self.send(
@@ -254,7 +255,7 @@ class SendMediaGroup(Scaffold):
                         )
                     )
                 else:
-                    media = utils.get_input_media_from_file_id(i.media, i.file_ref, 5)
+                    media = utils.get_input_media_from_file_id(i.media, FileType.DOCUMENT)
 
             multi_media.append(
                 raw.types.InputSingleMedia(
diff --git a/pyrogram/methods/messages/send_photo.py b/pyrogram/methods/messages/send_photo.py
index d6e65acf..6caca1bf 100644
--- a/pyrogram/methods/messages/send_photo.py
+++ b/pyrogram/methods/messages/send_photo.py
@@ -25,6 +25,7 @@ from pyrogram import raw
 from pyrogram import types
 from pyrogram import utils
 from pyrogram.errors import FilePartMissing
+from pyrogram.file_id import FileType
 from pyrogram.scaffold import Scaffold
 
 
@@ -33,7 +34,6 @@ class SendPhoto(Scaffold):
         self,
         chat_id: Union[int, str],
         photo: Union[str, BinaryIO],
-        file_ref: str = None,
         caption: str = "",
         parse_mode: Union[str, None] = object,
         ttl_seconds: int = None,
@@ -64,10 +64,6 @@ class SendPhoto(Scaffold):
                 pass a file path as string to upload a new photo that exists on your local machine, or
                 pass a binary file-like object with its attribute ".name" set for in-memory uploads.
 
-            file_ref (``str``, *optional*):
-                A valid file reference obtained by a recently fetched media message.
-                To be used in combination with a file id in case a file reference is needed.
-
             caption (``str``, *optional*):
                 Photo caption, 0-1024 characters.
 
@@ -154,7 +150,7 @@ class SendPhoto(Scaffold):
                         ttl_seconds=ttl_seconds
                     )
                 else:
-                    media = utils.get_input_media_from_file_id(photo, file_ref, 2)
+                    media = utils.get_input_media_from_file_id(photo, FileType.PHOTO)
             else:
                 file = await self.save_file(photo, progress=progress, progress_args=progress_args)
                 media = raw.types.InputMediaUploadedPhoto(
diff --git a/pyrogram/methods/messages/send_sticker.py b/pyrogram/methods/messages/send_sticker.py
index 565e3420..18260bd4 100644
--- a/pyrogram/methods/messages/send_sticker.py
+++ b/pyrogram/methods/messages/send_sticker.py
@@ -25,6 +25,7 @@ from pyrogram import raw
 from pyrogram import types
 from pyrogram import utils
 from pyrogram.errors import FilePartMissing
+from pyrogram.file_id import FileType
 from pyrogram.scaffold import Scaffold
 
 
@@ -33,7 +34,6 @@ class SendSticker(Scaffold):
         self,
         chat_id: Union[int, str],
         sticker: Union[str, BinaryIO],
-        file_ref: str = None,
         disable_notification: bool = None,
         reply_to_message_id: int = None,
         schedule_date: int = None,
@@ -61,10 +61,6 @@ class SendSticker(Scaffold):
                 pass a file path as string to upload a new sticker that exists on your local machine, or
                 pass a binary file-like object with its attribute ".name" set for in-memory uploads.
 
-            file_ref (``str``, *optional*):
-                A valid file reference obtained by a recently fetched media message.
-                To be used in combination with a file id in case a file reference is needed.
-
             disable_notification (``bool``, *optional*):
                 Sends the message silently.
                 Users will receive a notification with no sound.
@@ -133,7 +129,7 @@ class SendSticker(Scaffold):
                         url=sticker
                     )
                 else:
-                    media = utils.get_input_media_from_file_id(sticker, file_ref, 8)
+                    media = utils.get_input_media_from_file_id(sticker, FileType.STICKER)
             else:
                 file = await self.save_file(sticker, progress=progress, progress_args=progress_args)
                 media = raw.types.InputMediaUploadedDocument(
diff --git a/pyrogram/methods/messages/send_video.py b/pyrogram/methods/messages/send_video.py
index 9185d64b..cc4e082d 100644
--- a/pyrogram/methods/messages/send_video.py
+++ b/pyrogram/methods/messages/send_video.py
@@ -25,6 +25,7 @@ from pyrogram import raw
 from pyrogram import types
 from pyrogram import utils
 from pyrogram.errors import FilePartMissing
+from pyrogram.file_id import FileType
 from pyrogram.scaffold import Scaffold
 
 
@@ -33,7 +34,6 @@ class SendVideo(Scaffold):
         self,
         chat_id: Union[int, str],
         video: Union[str, BinaryIO],
-        file_ref: str = None,
         caption: str = "",
         parse_mode: Union[str, None] = object,
         duration: int = 0,
@@ -69,10 +69,6 @@ class SendVideo(Scaffold):
                 pass a file path as string to upload a new video that exists on your local machine, or
                 pass a binary file-like object with its attribute ".name" set for in-memory uploads.
 
-            file_ref (``str``, *optional*):
-                A valid file reference obtained by a recently fetched media message.
-                To be used in combination with a file id in case a file reference is needed.
-
             caption (``str``, *optional*):
                 Video caption, 0-1024 characters.
 
@@ -187,7 +183,7 @@ class SendVideo(Scaffold):
                         url=video
                     )
                 else:
-                    media = utils.get_input_media_from_file_id(video, file_ref, 4)
+                    media = utils.get_input_media_from_file_id(video, FileType.VIDEO)
             else:
                 thumb = await self.save_file(thumb)
                 file = await self.save_file(video, progress=progress, progress_args=progress_args)
diff --git a/pyrogram/methods/messages/send_video_note.py b/pyrogram/methods/messages/send_video_note.py
index d40335af..66f3c6f3 100644
--- a/pyrogram/methods/messages/send_video_note.py
+++ b/pyrogram/methods/messages/send_video_note.py
@@ -24,6 +24,7 @@ from pyrogram import raw
 from pyrogram import types
 from pyrogram import utils
 from pyrogram.errors import FilePartMissing
+from pyrogram.file_id import FileType
 from pyrogram.scaffold import Scaffold
 
 
@@ -32,7 +33,6 @@ class SendVideoNote(Scaffold):
         self,
         chat_id: Union[int, str],
         video_note: Union[str, BinaryIO],
-        file_ref: str = None,
         duration: int = 0,
         length: int = 1,
         thumb: Union[str, BinaryIO] = None,
@@ -63,10 +63,6 @@ class SendVideoNote(Scaffold):
                 pass a binary file-like object with its attribute ".name" set for in-memory uploads.
                 Sending video notes by a URL is currently unsupported.
 
-            file_ref (``str``, *optional*):
-                A valid file reference obtained by a recently fetched media message.
-                To be used in combination with a file id in case a file reference is needed.
-
             duration (``int``, *optional*):
                 Duration of sent video in seconds.
 
@@ -150,7 +146,7 @@ class SendVideoNote(Scaffold):
                         ]
                     )
                 else:
-                    media = utils.get_input_media_from_file_id(video_note, file_ref, 13)
+                    media = utils.get_input_media_from_file_id(video_note, FileType.VIDEO_NOTE)
             else:
                 thumb = await self.save_file(thumb)
                 file = await self.save_file(video_note, progress=progress, progress_args=progress_args)
diff --git a/pyrogram/methods/messages/send_voice.py b/pyrogram/methods/messages/send_voice.py
index 0bbf72e6..d6dd9bdb 100644
--- a/pyrogram/methods/messages/send_voice.py
+++ b/pyrogram/methods/messages/send_voice.py
@@ -25,6 +25,7 @@ from pyrogram import raw
 from pyrogram import types
 from pyrogram import utils
 from pyrogram.errors import FilePartMissing
+from pyrogram.file_id import FileType
 from pyrogram.scaffold import Scaffold
 
 
@@ -33,7 +34,6 @@ class SendVoice(Scaffold):
         self,
         chat_id: Union[int, str],
         voice: Union[str, BinaryIO],
-        file_ref=None,
         caption: str = "",
         parse_mode: Union[str, None] = object,
         duration: int = 0,
@@ -64,10 +64,6 @@ class SendVoice(Scaffold):
                 pass a file path as string to upload a new audio that exists on your local machine, or
                 pass a binary file-like object with its attribute ".name" set for in-memory uploads.
 
-            file_ref (``str``, *optional*):
-                A valid file reference obtained by a recently fetched media message.
-                To be used in combination with a file id in case a file reference is needed.
-
             caption (``str``, *optional*):
                 Voice message caption, 0-1024 characters.
 
@@ -154,7 +150,7 @@ class SendVoice(Scaffold):
                         url=voice
                     )
                 else:
-                    media = utils.get_input_media_from_file_id(voice, file_ref, 3)
+                    media = utils.get_input_media_from_file_id(voice, FileType.VOICE)
             else:
                 file = await self.save_file(voice, progress=progress, progress_args=progress_args)
                 media = raw.types.InputMediaUploadedDocument(
diff --git a/pyrogram/methods/users/delete_profile_photos.py b/pyrogram/methods/users/delete_profile_photos.py
index c5662126..7b3cded0 100644
--- a/pyrogram/methods/users/delete_profile_photos.py
+++ b/pyrogram/methods/users/delete_profile_photos.py
@@ -20,6 +20,7 @@ from typing import List, Union
 
 from pyrogram import raw
 from pyrogram import utils
+from pyrogram.file_id import FileType
 from pyrogram.scaffold import Scaffold
 
 
@@ -51,7 +52,7 @@ class DeleteProfilePhotos(Scaffold):
                 app.delete_profile_photos([p.file_id for p in photos[1:]])
         """
         photo_ids = photo_ids if isinstance(photo_ids, list) else [photo_ids]
-        input_photos = [utils.get_input_media_from_file_id(i).id for i in photo_ids]
+        input_photos = [utils.get_input_media_from_file_id(i, FileType.PHOTO).id for i in photo_ids]
 
         return bool(await self.send(
             raw.functions.photos.DeletePhotos(
diff --git a/pyrogram/types/input_media/input_media.py b/pyrogram/types/input_media/input_media.py
index f692cb83..6c739d87 100644
--- a/pyrogram/types/input_media/input_media.py
+++ b/pyrogram/types/input_media/input_media.py
@@ -31,10 +31,9 @@ class InputMedia(Object):
     - :obj:`~pyrogram.types.InputMediaVideo`
     """
 
-    def __init__(self, media: str, file_ref: str, caption: str, parse_mode: str):
+    def __init__(self, media: str, caption: str, parse_mode: str):
         super().__init__()
 
         self.media = media
-        self.file_ref = file_ref
         self.caption = caption
         self.parse_mode = parse_mode
diff --git a/pyrogram/types/input_media/input_media_animation.py b/pyrogram/types/input_media/input_media_animation.py
index 786a4ee0..a59f229f 100644
--- a/pyrogram/types/input_media/input_media_animation.py
+++ b/pyrogram/types/input_media/input_media_animation.py
@@ -30,10 +30,6 @@ class InputMediaAnimation(InputMedia):
             Pass a file_id as string to send a file that exists on the Telegram servers or
             pass a file path as string to upload a new file that exists on your local machine.
 
-        file_ref (``str``, *optional*):
-            A valid file reference obtained by a recently fetched media message.
-            To be used in combination with a file id in case a file reference is needed.
-
         thumb (``str``, *optional*):
             Thumbnail of the animation file sent.
             The thumbnail should be in JPEG format and less than 200 KB in size.
@@ -63,7 +59,6 @@ class InputMediaAnimation(InputMedia):
     def __init__(
         self,
         media: str,
-        file_ref: str = None,
         thumb: str = None,
         caption: str = "",
         parse_mode: Union[str, None] = object,
@@ -71,7 +66,7 @@ class InputMediaAnimation(InputMedia):
         height: int = 0,
         duration: int = 0
     ):
-        super().__init__(media, file_ref, caption, parse_mode)
+        super().__init__(media, caption, parse_mode)
 
         self.thumb = thumb
         self.width = width
diff --git a/pyrogram/types/input_media/input_media_audio.py b/pyrogram/types/input_media/input_media_audio.py
index a5ae9fca..99fa973c 100644
--- a/pyrogram/types/input_media/input_media_audio.py
+++ b/pyrogram/types/input_media/input_media_audio.py
@@ -32,10 +32,6 @@ class InputMediaAudio(InputMedia):
             Pass a file_id as string to send an audio that exists on the Telegram servers or
             pass a file path as string to upload a new audio that exists on your local machine.
 
-        file_ref (``str``, *optional*):
-            A valid file reference obtained by a recently fetched media message.
-            To be used in combination with a file id in case a file reference is needed.
-
         thumb (``str``, *optional*):
             Thumbnail of the music file album cover.
             The thumbnail should be in JPEG format and less than 200 KB in size.
@@ -65,7 +61,6 @@ class InputMediaAudio(InputMedia):
     def __init__(
         self,
         media: str,
-        file_ref: str = None,
         thumb: str = None,
         caption: str = "",
         parse_mode: Union[str, None] = object,
@@ -73,7 +68,7 @@ class InputMediaAudio(InputMedia):
         performer: str = "",
         title: str = ""
     ):
-        super().__init__(media, file_ref, caption, parse_mode)
+        super().__init__(media, caption, parse_mode)
 
         self.thumb = thumb
         self.duration = duration
diff --git a/pyrogram/types/input_media/input_media_document.py b/pyrogram/types/input_media/input_media_document.py
index 1df2c3c3..23deec32 100644
--- a/pyrogram/types/input_media/input_media_document.py
+++ b/pyrogram/types/input_media/input_media_document.py
@@ -30,10 +30,6 @@ class InputMediaDocument(InputMedia):
             Pass a file_id as string to send a file that exists on the Telegram servers or
             pass a file path as string to upload a new file that exists on your local machine.
 
-        file_ref (``str``, *optional*):
-            A valid file reference obtained by a recently fetched media message.
-            To be used in combination with a file id in case a file reference is needed.
-
         thumb (``str``):
             Thumbnail of the file sent.
             The thumbnail should be in JPEG format and less than 200 KB in size.
@@ -54,11 +50,10 @@ class InputMediaDocument(InputMedia):
     def __init__(
         self,
         media: str,
-        file_ref: str = None,
         thumb: str = None,
         caption: str = "",
         parse_mode: Union[str, None] = object
     ):
-        super().__init__(media, file_ref, caption, parse_mode)
+        super().__init__(media, caption, parse_mode)
 
         self.thumb = thumb
diff --git a/pyrogram/types/input_media/input_media_photo.py b/pyrogram/types/input_media/input_media_photo.py
index f4e5df8e..f8797982 100644
--- a/pyrogram/types/input_media/input_media_photo.py
+++ b/pyrogram/types/input_media/input_media_photo.py
@@ -32,10 +32,6 @@ class InputMediaPhoto(InputMedia):
             pass a file path as string to upload a new photo that exists on your local machine.
             Sending photo by a URL is currently unsupported.
 
-        file_ref (``str``, *optional*):
-            A valid file reference obtained by a recently fetched media message.
-            To be used in combination with a file id in case a file reference is needed.
-
         caption (``str``, *optional*):
             Caption of the photo to be sent, 0-1024 characters
 
@@ -50,8 +46,7 @@ class InputMediaPhoto(InputMedia):
     def __init__(
         self,
         media: str,
-        file_ref: str = None,
         caption: str = "",
         parse_mode: Union[str, None] = object
     ):
-        super().__init__(media, file_ref, caption, parse_mode)
+        super().__init__(media, caption, parse_mode)
diff --git a/pyrogram/types/input_media/input_media_video.py b/pyrogram/types/input_media/input_media_video.py
index dc65d002..3de713e1 100644
--- a/pyrogram/types/input_media/input_media_video.py
+++ b/pyrogram/types/input_media/input_media_video.py
@@ -32,10 +32,6 @@ class InputMediaVideo(InputMedia):
             pass a file path as string to upload a new video that exists on your local machine.
             Sending video by a URL is currently unsupported.
 
-        file_ref (``str``, *optional*):
-            A valid file reference obtained by a recently fetched media message.
-            To be used in combination with a file id in case a file reference is needed.
-
         thumb (``str``):
             Thumbnail of the video sent.
             The thumbnail should be in JPEG format and less than 200 KB in size.
@@ -68,7 +64,6 @@ class InputMediaVideo(InputMedia):
     def __init__(
         self,
         media: str,
-        file_ref: str = None,
         thumb: str = None,
         caption: str = "",
         parse_mode: Union[str, None] = object,
@@ -77,7 +72,7 @@ class InputMediaVideo(InputMedia):
         duration: int = 0,
         supports_streaming: bool = True
     ):
-        super().__init__(media, file_ref, caption, parse_mode)
+        super().__init__(media, caption, parse_mode)
 
         self.thumb = thumb
         self.width = width
diff --git a/pyrogram/types/messages_and_media/animation.py b/pyrogram/types/messages_and_media/animation.py
index 97f34e96..94c34544 100644
--- a/pyrogram/types/messages_and_media/animation.py
+++ b/pyrogram/types/messages_and_media/animation.py
@@ -16,13 +16,12 @@
 #  You should have received a copy of the GNU Lesser General Public License
 #  along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
 
-from struct import pack
 from typing import List
 
 import pyrogram
 from pyrogram import raw
 from pyrogram import types
-from pyrogram.utils import encode_file_id, encode_file_ref
+from pyrogram.file_id import FileId, FileType, FileUniqueId, FileUniqueType
 from ..object import Object
 
 
@@ -31,10 +30,11 @@ class Animation(Object):
 
     Parameters:
         file_id (``str``):
-            Unique identifier for this file.
+            Identifier for this file, which can be used to download or reuse the file.
 
-        file_ref (``str``):
-            Up to date file reference.
+        file_unique_id (``str``):
+            Unique identifier for this file, which is supposed to be the same over time and for different accounts.
+            Can't be used to download or reuse the file.
 
         width (``int``):
             Animation width as defined by sender.
@@ -66,7 +66,7 @@ class Animation(Object):
         *,
         client: "pyrogram.Client" = None,
         file_id: str,
-        file_ref: str,
+        file_unique_id: str,
         width: int,
         height: int,
         duration: int,
@@ -79,7 +79,7 @@ class Animation(Object):
         super().__init__(client)
 
         self.file_id = file_id
-        self.file_ref = file_ref
+        self.file_unique_id = file_unique_id
         self.file_name = file_name
         self.mime_type = mime_type
         self.file_size = file_size
@@ -97,16 +97,17 @@ class Animation(Object):
         file_name: str
     ) -> "Animation":
         return Animation(
-            file_id=encode_file_id(
-                pack(
-                    "<iiqq",
-                    10,
-                    animation.dc_id,
-                    animation.id,
-                    animation.access_hash
-                )
-            ),
-            file_ref=encode_file_ref(animation.file_reference),
+            file_id=FileId(
+                file_type=FileType.ANIMATION,
+                dc_id=animation.dc_id,
+                media_id=animation.id,
+                access_hash=animation.access_hash,
+                file_reference=animation.file_reference
+            ).encode(),
+            file_unique_id=FileUniqueId(
+                file_unique_type=FileUniqueType.DOCUMENT,
+                media_id=animation.id
+            ).encode(),
             width=getattr(video_attributes, "w", 0),
             height=getattr(video_attributes, "h", 0),
             duration=getattr(video_attributes, "duration", 0),
diff --git a/pyrogram/types/messages_and_media/audio.py b/pyrogram/types/messages_and_media/audio.py
index a54b6c9f..ff420701 100644
--- a/pyrogram/types/messages_and_media/audio.py
+++ b/pyrogram/types/messages_and_media/audio.py
@@ -16,13 +16,12 @@
 #  You should have received a copy of the GNU Lesser General Public License
 #  along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
 
-from struct import pack
 from typing import List
 
 import pyrogram
 from pyrogram import raw
 from pyrogram import types
-from pyrogram.utils import encode_file_id, encode_file_ref
+from pyrogram.file_id import FileId, FileType, FileUniqueId, FileUniqueType
 from ..object import Object
 
 
@@ -31,14 +30,21 @@ class Audio(Object):
 
     Parameters:
         file_id (``str``):
-            Unique identifier for this file.
+            Identifier for this file, which can be used to download or reuse the file.
 
-        file_ref (``str``):
-            Up to date file reference.
+        file_unique_id (``str``):
+            Unique identifier for this file, which is supposed to be the same over time and for different accounts.
+            Can't be used to download or reuse the file.
 
         duration (``int``):
             Duration of the audio in seconds as defined by sender.
 
+        performer (``str``, *optional*):
+            Performer of the audio as defined by sender or by audio tags.
+
+        title (``str``, *optional*):
+            Title of the audio as defined by sender or by audio tags.
+
         file_name (``str``, *optional*):
             Audio file name.
 
@@ -49,13 +55,7 @@ class Audio(Object):
             File size.
 
         date (``int``, *optional*):
-            Date the audio was sent in Unix time.
-
-        performer (``str``, *optional*):
-            Performer of the audio as defined by sender or by audio tags.
-
-        title (``str``, *optional*):
-            Title of the audio as defined by sender or by audio tags.
+            Date the audio was originally sent, in Unix time.
 
         thumbs (List of :obj:`~pyrogram.types.Thumbnail`, *optional*):
             Thumbnails of the music file album cover.
@@ -66,27 +66,27 @@ class Audio(Object):
         *,
         client: "pyrogram.Client" = None,
         file_id: str,
-        file_ref: str,
+        file_unique_id: str,
         duration: int,
+        performer: str = None,
+        title: str = None,
         file_name: str = None,
         mime_type: str = None,
         file_size: int = None,
         date: int = None,
-        performer: str = None,
-        title: str = None,
         thumbs: List["types.Thumbnail"] = None
     ):
         super().__init__(client)
 
         self.file_id = file_id
-        self.file_ref = file_ref
+        self.file_unique_id = file_unique_id
+        self.duration = duration
+        self.performer = performer
+        self.title = title
         self.file_name = file_name
         self.mime_type = mime_type
         self.file_size = file_size
         self.date = date
-        self.duration = duration
-        self.performer = performer
-        self.title = title
         self.thumbs = thumbs
 
     @staticmethod
@@ -97,16 +97,17 @@ class Audio(Object):
         file_name: str
     ) -> "Audio":
         return Audio(
-            file_id=encode_file_id(
-                pack(
-                    "<iiqq",
-                    9,
-                    audio.dc_id,
-                    audio.id,
-                    audio.access_hash
-                )
-            ),
-            file_ref=encode_file_ref(audio.file_reference),
+            file_id=FileId(
+                file_type=FileType.AUDIO,
+                dc_id=audio.dc_id,
+                media_id=audio.id,
+                access_hash=audio.access_hash,
+                file_reference=audio.file_reference
+            ).encode(),
+            file_unique_id=FileUniqueId(
+                file_unique_type=FileUniqueType.DOCUMENT,
+                media_id=audio.id
+            ).encode(),
             duration=audio_attributes.duration,
             performer=audio_attributes.performer,
             title=audio_attributes.title,
diff --git a/pyrogram/types/messages_and_media/document.py b/pyrogram/types/messages_and_media/document.py
index 19975b74..cf276115 100644
--- a/pyrogram/types/messages_and_media/document.py
+++ b/pyrogram/types/messages_and_media/document.py
@@ -16,13 +16,12 @@
 #  You should have received a copy of the GNU Lesser General Public License
 #  along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
 
-from struct import pack
 from typing import List
 
 import pyrogram
 from pyrogram import raw
 from pyrogram import types
-from pyrogram.utils import encode_file_id, encode_file_ref
+from pyrogram.file_id import FileId, FileType, FileUniqueId, FileUniqueType
 from ..object import Object
 
 
@@ -31,10 +30,11 @@ class Document(Object):
 
     Parameters:
         file_id (``str``):
-            Unique file identifier.
+            Identifier for this file, which can be used to download or reuse the file.
 
-        file_ref (``str``):
-            Up to date file reference.
+        file_unique_id (``str``):
+            Unique identifier for this file, which is supposed to be the same over time and for different accounts.
+            Can't be used to download or reuse the file.
 
         file_name (``str``, *optional*):
             Original filename as defined by sender.
@@ -57,7 +57,7 @@ class Document(Object):
         *,
         client: "pyrogram.Client" = None,
         file_id: str,
-        file_ref: str,
+        file_unique_id: str,
         file_name: str = None,
         mime_type: str = None,
         file_size: int = None,
@@ -67,7 +67,7 @@ class Document(Object):
         super().__init__(client)
 
         self.file_id = file_id
-        self.file_ref = file_ref
+        self.file_unique_id = file_unique_id
         self.file_name = file_name
         self.mime_type = mime_type
         self.file_size = file_size
@@ -77,16 +77,17 @@ class Document(Object):
     @staticmethod
     def _parse(client, document: "raw.types.Document", file_name: str) -> "Document":
         return Document(
-            file_id=encode_file_id(
-                pack(
-                    "<iiqq",
-                    5,
-                    document.dc_id,
-                    document.id,
-                    document.access_hash
-                )
-            ),
-            file_ref=encode_file_ref(document.file_reference),
+            file_id=FileId(
+                file_type=FileType.DOCUMENT,
+                dc_id=document.dc_id,
+                media_id=document.id,
+                access_hash=document.access_hash,
+                file_reference=document.file_reference
+            ).encode(),
+            file_unique_id=FileUniqueId(
+                file_unique_type=FileUniqueType.DOCUMENT,
+                media_id=document.id
+            ).encode(),
             file_name=file_name,
             mime_type=document.mime_type,
             file_size=document.size,
diff --git a/pyrogram/types/messages_and_media/message.py b/pyrogram/types/messages_and_media/message.py
index 48b2e319..1f85ba8b 100644
--- a/pyrogram/types/messages_and_media/message.py
+++ b/pyrogram/types/messages_and_media/message.py
@@ -790,7 +790,6 @@ class Message(Object, Update):
     async def reply_animation(
         self,
         animation: Union[str, BinaryIO],
-        file_ref: str = None,
         quote: bool = None,
         caption: str = "",
         parse_mode: Union[str, None] = object,
@@ -832,10 +831,6 @@ class Message(Object, Update):
                 pass an HTTP URL as a string for Telegram to get an animation from the Internet, or
                 pass a file path as string to upload a new animation that exists on your local machine.
 
-            file_ref (``str``, *optional*):
-                A valid file reference obtained by a recently fetched media message.
-                To be used in combination with a file id in case a file reference is needed.
-
             quote (``bool``, *optional*):
                 If ``True``, the message will be sent as a reply to this message.
                 If *reply_to_message_id* is passed, this parameter will be ignored.
@@ -916,7 +911,6 @@ class Message(Object, Update):
         return await self._client.send_animation(
             chat_id=self.chat.id,
             animation=animation,
-            file_ref=file_ref,
             caption=caption,
             parse_mode=parse_mode,
             duration=duration,
@@ -933,7 +927,6 @@ class Message(Object, Update):
     async def reply_audio(
         self,
         audio: Union[str, BinaryIO],
-        file_ref: str = None,
         quote: bool = None,
         caption: str = "",
         parse_mode: Union[str, None] = object,
@@ -975,10 +968,6 @@ class Message(Object, Update):
                 pass an HTTP URL as a string for Telegram to get an audio file from the Internet, or
                 pass a file path as string to upload a new audio file that exists on your local machine.
 
-            file_ref (``str``, *optional*):
-                A valid file reference obtained by a recently fetched media message.
-                To be used in combination with a file id in case a file reference is needed.
-
             quote (``bool``, *optional*):
                 If ``True``, the message will be sent as a reply to this message.
                 If *reply_to_message_id* is passed, this parameter will be ignored.
@@ -1059,7 +1048,6 @@ class Message(Object, Update):
         return await self._client.send_audio(
             chat_id=self.chat.id,
             audio=audio,
-            file_ref=file_ref,
             caption=caption,
             parse_mode=parse_mode,
             duration=duration,
@@ -1076,7 +1064,6 @@ class Message(Object, Update):
     async def reply_cached_media(
         self,
         file_id: str,
-        file_ref: str = None,
         quote: bool = None,
         caption: str = "",
         parse_mode: Union[str, None] = object,
@@ -1110,10 +1097,6 @@ class Message(Object, Update):
                 Media to send.
                 Pass a file_id as string to send a media that exists on the Telegram servers.
 
-            file_ref (``str``, *optional*):
-                A valid file reference obtained by a recently fetched media message.
-                To be used in combination with a file id in case a file reference is needed.
-
             quote (``bool``, *optional*):
                 If ``True``, the message will be sent as a reply to this message.
                 If *reply_to_message_id* is passed, this parameter will be ignored.
@@ -1155,7 +1138,6 @@ class Message(Object, Update):
         return await self._client.send_cached_media(
             chat_id=self.chat.id,
             file_id=file_id,
-            file_ref=file_ref,
             caption=caption,
             parse_mode=parse_mode,
             disable_notification=disable_notification,
@@ -1289,7 +1271,6 @@ class Message(Object, Update):
     async def reply_document(
         self,
         document: Union[str, BinaryIO],
-        file_ref: str = None,
         quote: bool = None,
         thumb: str = None,
         caption: str = "",
@@ -1328,10 +1309,6 @@ class Message(Object, Update):
                 pass an HTTP URL as a string for Telegram to get a file from the Internet, or
                 pass a file path as string to upload a new file that exists on your local machine.
 
-            file_ref (``str``, *optional*):
-                A valid file reference obtained by a recently fetched media message.
-                To be used in combination with a file id in case a file reference is needed.
-
             quote (``bool``, *optional*):
                 If ``True``, the message will be sent as a reply to this message.
                 If *reply_to_message_id* is passed, this parameter will be ignored.
@@ -1403,7 +1380,6 @@ class Message(Object, Update):
         return await self._client.send_document(
             chat_id=self.chat.id,
             document=document,
-            file_ref=file_ref,
             thumb=thumb,
             caption=caption,
             parse_mode=parse_mode,
@@ -1691,7 +1667,6 @@ class Message(Object, Update):
     async def reply_photo(
         self,
         photo: Union[str, BinaryIO],
-        file_ref: str = None,
         quote: bool = None,
         caption: str = "",
         parse_mode: Union[str, None] = object,
@@ -1730,10 +1705,6 @@ class Message(Object, Update):
                 pass an HTTP URL as a string for Telegram to get a photo from the Internet, or
                 pass a file path as string to upload a new photo that exists on your local machine.
 
-            file_ref (``str``, *optional*):
-                A valid file reference obtained by a recently fetched media message.
-                To be used in combination with a file id in case a file reference is needed.
-
             quote (``bool``, *optional*):
                 If ``True``, the message will be sent as a reply to this message.
                 If *reply_to_message_id* is passed, this parameter will be ignored.
@@ -1804,7 +1775,6 @@ class Message(Object, Update):
         return await self._client.send_photo(
             chat_id=self.chat.id,
             photo=photo,
-            file_ref=file_ref,
             caption=caption,
             parse_mode=parse_mode,
             ttl_seconds=ttl_seconds,
@@ -1922,7 +1892,6 @@ class Message(Object, Update):
     async def reply_sticker(
         self,
         sticker: Union[str, BinaryIO],
-        file_ref: str = None,
         quote: bool = None,
         disable_notification: bool = None,
         reply_to_message_id: int = None,
@@ -1958,10 +1927,6 @@ class Message(Object, Update):
                 pass an HTTP URL as a string for Telegram to get a .webp sticker file from the Internet, or
                 pass a file path as string to upload a new sticker that exists on your local machine.
 
-            file_ref (``str``, *optional*):
-                A valid file reference obtained by a recently fetched media message.
-                To be used in combination with a file id in case a file reference is needed.
-
             quote (``bool``, *optional*):
                 If ``True``, the message will be sent as a reply to this message.
                 If *reply_to_message_id* is passed, this parameter will be ignored.
@@ -2017,7 +1982,6 @@ class Message(Object, Update):
         return await self._client.send_sticker(
             chat_id=self.chat.id,
             sticker=sticker,
-            file_ref=file_ref,
             disable_notification=disable_notification,
             reply_to_message_id=reply_to_message_id,
             reply_markup=reply_markup,
@@ -2126,7 +2090,6 @@ class Message(Object, Update):
     async def reply_video(
         self,
         video: Union[str, BinaryIO],
-        file_ref: str = None,
         quote: bool = None,
         caption: str = "",
         parse_mode: Union[str, None] = object,
@@ -2169,10 +2132,6 @@ class Message(Object, Update):
                 pass an HTTP URL as a string for Telegram to get a video from the Internet, or
                 pass a file path as string to upload a new video that exists on your local machine.
 
-            file_ref (``str``, *optional*):
-                A valid file reference obtained by a recently fetched media message.
-                To be used in combination with a file id in case a file reference is needed.
-
             quote (``bool``, *optional*):
                 If ``True``, the message will be sent as a reply to this message.
                 If *reply_to_message_id* is passed, this parameter will be ignored.
@@ -2256,7 +2215,6 @@ class Message(Object, Update):
         return await self._client.send_video(
             chat_id=self.chat.id,
             video=video,
-            file_ref=file_ref,
             caption=caption,
             parse_mode=parse_mode,
             duration=duration,
@@ -2274,7 +2232,6 @@ class Message(Object, Update):
     async def reply_video_note(
         self,
         video_note: Union[str, BinaryIO],
-        file_ref: str = None,
         quote: bool = None,
         duration: int = 0,
         length: int = 1,
@@ -2313,10 +2270,6 @@ class Message(Object, Update):
                 pass a file path as string to upload a new video note that exists on your local machine.
                 Sending video notes by a URL is currently unsupported.
 
-            file_ref (``str``, *optional*):
-                A valid file reference obtained by a recently fetched media message.
-                To be used in combination with a file id in case a file reference is needed.
-
             quote (``bool``, *optional*):
                 If ``True``, the message will be sent as a reply to this message.
                 If *reply_to_message_id* is passed, this parameter will be ignored.
@@ -2384,7 +2337,6 @@ class Message(Object, Update):
         return await self._client.send_video_note(
             chat_id=self.chat.id,
             video_note=video_note,
-            file_ref=file_ref,
             duration=duration,
             length=length,
             thumb=thumb,
@@ -2398,7 +2350,6 @@ class Message(Object, Update):
     async def reply_voice(
         self,
         voice: Union[str, BinaryIO],
-        file_ref: str = None,
         quote: bool = None,
         caption: str = "",
         parse_mode: Union[str, None] = object,
@@ -2437,10 +2388,6 @@ class Message(Object, Update):
                 pass an HTTP URL as a string for Telegram to get an audio from the Internet, or
                 pass a file path as string to upload a new audio that exists on your local machine.
 
-            file_ref (``str``, *optional*):
-                A valid file reference obtained by a recently fetched media message.
-                To be used in combination with a file id in case a file reference is needed.
-
             quote (``bool``, *optional*):
                 If ``True``, the message will be sent as a reply to this message.
                 If *reply_to_message_id* is passed, this parameter will be ignored.
@@ -2509,7 +2456,6 @@ class Message(Object, Update):
         return await self._client.send_voice(
             chat_id=self.chat.id,
             voice=voice,
-            file_ref=file_ref,
             caption=caption,
             parse_mode=parse_mode,
             duration=duration,
@@ -2787,28 +2733,20 @@ class Message(Object, Update):
 
                 if self.photo:
                     file_id = self.photo.file_id
-                    file_ref = self.photo.file_ref
                 elif self.audio:
                     file_id = self.audio.file_id
-                    file_ref = self.audio.file_ref
                 elif self.document:
                     file_id = self.document.file_id
-                    file_ref = self.document.file_ref
                 elif self.video:
                     file_id = self.video.file_id
-                    file_ref = self.video.file_ref
                 elif self.animation:
                     file_id = self.animation.file_id
-                    file_ref = self.animation.file_ref
                 elif self.voice:
                     file_id = self.voice.file_id
-                    file_ref = self.voice.file_ref
                 elif self.sticker:
                     file_id = self.sticker.file_id
-                    file_ref = self.sticker.file_ref
                 elif self.video_note:
                     file_id = self.video_note.file_id
-                    file_ref = self.video_note.file_ref
                 elif self.contact:
                     return await self._client.send_contact(
                         chat_id,
@@ -2857,9 +2795,9 @@ class Message(Object, Update):
                     raise ValueError("Unknown media type")
 
                 if self.sticker or self.video_note:  # Sticker and VideoNote should have no caption
-                    return await send_media(file_id=file_id, file_ref=file_ref)
+                    return await send_media(file_id=file_id)
                 else:
-                    return await send_media(file_id=file_id, file_ref=file_ref, caption=caption, parse_mode="html")
+                    return await send_media(file_id=file_id, caption=caption, parse_mode="html")
             else:
                 raise ValueError("Can't copy this message")
         else:
diff --git a/pyrogram/types/messages_and_media/photo.py b/pyrogram/types/messages_and_media/photo.py
index a6f572d4..01337801 100644
--- a/pyrogram/types/messages_and_media/photo.py
+++ b/pyrogram/types/messages_and_media/photo.py
@@ -16,13 +16,12 @@
 #  You should have received a copy of the GNU Lesser General Public License
 #  along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
 
-from struct import pack
 from typing import List
 
 import pyrogram
 from pyrogram import raw
 from pyrogram import types
-from pyrogram.utils import encode_file_id, encode_file_ref
+from pyrogram.file_id import FileId, FileType, FileUniqueId, FileUniqueType, ThumbnailSource
 from ..object import Object
 
 
@@ -31,10 +30,11 @@ class Photo(Object):
 
     Parameters:
         file_id (``str``):
-            Unique identifier for this photo.
+            Identifier for this file, which can be used to download or reuse the file.
 
-        file_ref (``str``):
-            Up to date file reference.
+        file_unique_id (``str``):
+            Unique identifier for this file, which is supposed to be the same over time and for different accounts.
+            Can't be used to download or reuse the file.
 
         width (``int``):
             Photo width.
@@ -60,7 +60,7 @@ class Photo(Object):
         *,
         client: "pyrogram.Client" = None,
         file_id: str,
-        file_ref: str,
+        file_unique_id: str,
         width: int,
         height: int,
         file_size: int,
@@ -71,7 +71,7 @@ class Photo(Object):
         super().__init__(client)
 
         self.file_id = file_id
-        self.file_ref = file_ref
+        self.file_unique_id = file_unique_id
         self.width = width
         self.height = height
         self.file_size = file_size
@@ -82,18 +82,36 @@ class Photo(Object):
     @staticmethod
     def _parse(client, photo: "raw.types.Photo", ttl_seconds: int = None) -> "Photo":
         if isinstance(photo, raw.types.Photo):
-            big = list(filter(lambda p: isinstance(p, raw.types.PhotoSize), photo.sizes))[-1]
+            big = photo.sizes[-1]
+
+            if isinstance(big, raw.types.PhotoSizeProgressive):
+                big = raw.types.PhotoSize(
+                    type=big.type,
+                    location=big.location,
+                    w=big.w,
+                    h=big.h,
+                    size=big.sizes[-1]
+                )
 
             return Photo(
-                file_id=encode_file_id(
-                    pack(
-                        "<iiqqqiiii",
-                        2, photo.dc_id, photo.id, photo.access_hash,
-                        big.location.volume_id, 1, 2, ord(big.type),
-                        big.location.local_id
-                    )
-                ),
-                file_ref=encode_file_ref(photo.file_reference),
+                file_id=FileId(
+                    file_type=FileType.PHOTO,
+                    dc_id=photo.dc_id,
+                    media_id=photo.id,
+                    access_hash=photo.access_hash,
+                    file_reference=photo.file_reference,
+                    thumbnail_source=ThumbnailSource.THUMBNAIL,
+                    thumbnail_file_type=FileType.PHOTO,
+                    thumbnail_size=big.type,
+                    volume_id=big.location.volume_id,
+                    local_id=big.location.local_id
+                ).encode(),
+                file_unique_id=FileUniqueId(
+                    file_unique_type=FileUniqueType.PHOTO,
+                    media_id=photo.id,
+                    volume_id=big.location.volume_id,
+                    local_id=big.location.local_id
+                ).encode(),
                 width=big.w,
                 height=big.h,
                 file_size=big.size,
diff --git a/pyrogram/types/messages_and_media/sticker.py b/pyrogram/types/messages_and_media/sticker.py
index 76e7264f..e192be4a 100644
--- a/pyrogram/types/messages_and_media/sticker.py
+++ b/pyrogram/types/messages_and_media/sticker.py
@@ -16,7 +16,6 @@
 #  You should have received a copy of the GNU Lesser General Public License
 #  along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
 
-from struct import pack
 from typing import List
 
 from async_lru import alru_cache
@@ -25,7 +24,7 @@ import pyrogram
 from pyrogram import raw
 from pyrogram import types
 from pyrogram.errors import StickersetInvalid
-from pyrogram.utils import encode_file_id, encode_file_ref
+from pyrogram.file_id import FileId, FileType, FileUniqueId, FileUniqueType
 from ..object import Object
 
 
@@ -34,10 +33,11 @@ class Sticker(Object):
 
     Parameters:
         file_id (``str``):
-            Unique identifier for this file.
+            Identifier for this file, which can be used to download or reuse the file.
 
-        file_ref (``str``):
-            Up to date file reference.
+        file_unique_id (``str``):
+            Unique identifier for this file, which is supposed to be the same over time and for different accounts.
+            Can't be used to download or reuse the file.
 
         width (``int``):
             Sticker width.
@@ -77,7 +77,7 @@ class Sticker(Object):
         *,
         client: "pyrogram.Client" = None,
         file_id: str,
-        file_ref: str,
+        file_unique_id: str,
         width: int,
         height: int,
         is_animated: bool,
@@ -92,7 +92,7 @@ class Sticker(Object):
         super().__init__(client)
 
         self.file_id = file_id
-        self.file_ref = file_ref
+        self.file_unique_id = file_unique_id
         self.file_name = file_name
         self.mime_type = mime_type
         self.file_size = file_size
@@ -137,16 +137,17 @@ class Sticker(Object):
             set_name = None
 
         return Sticker(
-            file_id=encode_file_id(
-                pack(
-                    "<iiqq",
-                    8,
-                    sticker.dc_id,
-                    sticker.id,
-                    sticker.access_hash
-                )
-            ),
-            file_ref=encode_file_ref(sticker.file_reference),
+            file_id=FileId(
+                file_type=FileType.STICKER,
+                dc_id=sticker.dc_id,
+                media_id=sticker.id,
+                access_hash=sticker.access_hash,
+                file_reference=sticker.file_reference
+            ).encode(),
+            file_unique_id=FileUniqueId(
+                file_unique_type=FileUniqueType.DOCUMENT,
+                media_id=sticker.id
+            ).encode(),
             width=image_size_attributes.w if image_size_attributes else 512,
             height=image_size_attributes.h if image_size_attributes else 512,
             is_animated=sticker.mime_type == "application/x-tgsticker",
diff --git a/pyrogram/types/messages_and_media/thumbnail.py b/pyrogram/types/messages_and_media/thumbnail.py
index cd9eeb59..898e7938 100644
--- a/pyrogram/types/messages_and_media/thumbnail.py
+++ b/pyrogram/types/messages_and_media/thumbnail.py
@@ -16,13 +16,12 @@
 #  You should have received a copy of the GNU Lesser General Public License
 #  along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
 
-from struct import pack
 from typing import Union, List
 
 import pyrogram
 from pyrogram import raw
 from pyrogram import types
-from pyrogram.utils import encode_file_id
+from pyrogram.file_id import FileId, FileType, FileUniqueId, FileUniqueType, ThumbnailSource
 from ..object import Object
 
 
@@ -31,7 +30,11 @@ class Thumbnail(Object):
 
     Parameters:
         file_id (``str``):
-            Unique identifier for this file.
+            Identifier for this file, which can be used to download or reuse the file.
+
+        file_unique_id (``str``):
+            Unique identifier for this file, which is supposed to be the same over time and for different accounts.
+            Can't be used to download or reuse the file.
 
         width (``int``):
             Photo width.
@@ -48,6 +51,7 @@ class Thumbnail(Object):
         *,
         client: "pyrogram.Client" = None,
         file_id: str,
+        file_unique_id: str,
         width: int,
         height: int,
         file_size: int
@@ -55,6 +59,7 @@ class Thumbnail(Object):
         super().__init__(client)
 
         self.file_id = file_id
+        self.file_unique_id = file_unique_id
         self.width = width
         self.height = height
         self.file_size = file_size
@@ -66,10 +71,8 @@ class Thumbnail(Object):
     ) -> Union[List[Union["types.StrippedThumbnail", "Thumbnail"]], None]:
         if isinstance(media, raw.types.Photo):
             raw_thumbnails = media.sizes[:-1]
-            media_type = 2
         elif isinstance(media, raw.types.Document):
             raw_thumbnails = media.thumbs
-            media_type = 14
 
             if not raw_thumbnails:
                 return None
@@ -78,6 +81,9 @@ class Thumbnail(Object):
 
         thumbnails = []
 
+        file_type = FileType.PHOTO if isinstance(media, raw.types.Photo) else FileType.THUMBNAIL
+        thumbnail_file_type = file_type
+
         for thumbnail in raw_thumbnails:
             # TODO: Enable this
             # if isinstance(thumbnail, types.PhotoStrippedSize):
@@ -85,14 +91,24 @@ class Thumbnail(Object):
             if isinstance(thumbnail, raw.types.PhotoSize):
                 thumbnails.append(
                     Thumbnail(
-                        file_id=encode_file_id(
-                            pack(
-                                "<iiqqqiiii",
-                                media_type, media.dc_id, media.id, media.access_hash,
-                                thumbnail.location.volume_id, 1, 2, ord(thumbnail.type),
-                                thumbnail.location.local_id
-                            )
-                        ),
+                        file_id=FileId(
+                            file_type=file_type,
+                            dc_id=media.dc_id,
+                            media_id=media.id,
+                            access_hash=media.access_hash,
+                            file_reference=media.file_reference,
+                            thumbnail_file_type=thumbnail_file_type,
+                            thumbnail_source=ThumbnailSource.THUMBNAIL,
+                            thumbnail_size=thumbnail.type,
+                            volume_id=thumbnail.location.volume_id,
+                            local_id=thumbnail.location.local_id
+                        ).encode(),
+                        file_unique_id=FileUniqueId(
+                            file_unique_type=FileUniqueType.PHOTO,
+                            media_id=media.id,
+                            volume_id=thumbnail.location.volume_id,
+                            local_id=thumbnail.location.local_id
+                        ).encode(),
                         width=thumbnail.w,
                         height=thumbnail.h,
                         file_size=thumbnail.size,
diff --git a/pyrogram/types/messages_and_media/video.py b/pyrogram/types/messages_and_media/video.py
index 182ef94e..c05614c3 100644
--- a/pyrogram/types/messages_and_media/video.py
+++ b/pyrogram/types/messages_and_media/video.py
@@ -16,13 +16,12 @@
 #  You should have received a copy of the GNU Lesser General Public License
 #  along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
 
-from struct import pack
 from typing import List
 
 import pyrogram
 from pyrogram import raw
 from pyrogram import types
-from pyrogram.utils import encode_file_id, encode_file_ref
+from pyrogram.file_id import FileId, FileType, FileUniqueId, FileUniqueType
 from ..object import Object
 
 
@@ -31,10 +30,11 @@ class Video(Object):
 
     Parameters:
         file_id (``str``):
-            Unique identifier for this file.
+            Identifier for this file, which can be used to download or reuse the file.
 
-        file_ref (``str``):
-            Up to date file reference.
+        file_unique_id (``str``):
+            Unique identifier for this file, which is supposed to be the same over time and for different accounts.
+            Can't be used to download or reuse the file.
 
         width (``int``):
             Video width as defined by sender.
@@ -51,18 +51,18 @@ class Video(Object):
         mime_type (``str``, *optional*):
             Mime type of a file as defined by sender.
 
-        supports_streaming (``bool``, *optional*):
-            True, if the video was uploaded with streaming support.
-
         file_size (``int``, *optional*):
             File size.
 
-        date (``int``, *optional*):
-            Date the video was sent in Unix time.
+        supports_streaming (``bool``, *optional*):
+            True, if the video was uploaded with streaming support.
 
         ttl_seconds (``int``. *optional*):
             Time-to-live seconds, for secret photos.
 
+        date (``int``, *optional*):
+            Date the video was sent in Unix time.
+
         thumbs (List of :obj:`~pyrogram.types.Thumbnail`, *optional*):
             Video thumbnails.
     """
@@ -72,31 +72,31 @@ class Video(Object):
         *,
         client: "pyrogram.Client" = None,
         file_id: str,
-        file_ref: str,
+        file_unique_id: str,
         width: int,
         height: int,
         duration: int,
         file_name: str = None,
         mime_type: str = None,
-        supports_streaming: bool = None,
         file_size: int = None,
-        date: int = None,
+        supports_streaming: bool = None,
         ttl_seconds: int = None,
+        date: int = None,
         thumbs: List["types.Thumbnail"] = None
     ):
         super().__init__(client)
 
         self.file_id = file_id
-        self.file_ref = file_ref
+        self.file_unique_id = file_unique_id
         self.width = width
         self.height = height
         self.duration = duration
         self.file_name = file_name
         self.mime_type = mime_type
-        self.supports_streaming = supports_streaming
         self.file_size = file_size
-        self.date = date
+        self.supports_streaming = supports_streaming
         self.ttl_seconds = ttl_seconds
+        self.date = date
         self.thumbs = thumbs
 
     @staticmethod
@@ -108,16 +108,17 @@ class Video(Object):
         ttl_seconds: int = None
     ) -> "Video":
         return Video(
-            file_id=encode_file_id(
-                pack(
-                    "<iiqq",
-                    4,
-                    video.dc_id,
-                    video.id,
-                    video.access_hash
-                )
-            ),
-            file_ref=encode_file_ref(video.file_reference),
+            file_id=FileId(
+                file_type=FileType.VIDEO,
+                dc_id=video.dc_id,
+                media_id=video.id,
+                access_hash=video.access_hash,
+                file_reference=video.file_reference
+            ).encode(),
+            file_unique_id=FileUniqueId(
+                file_unique_type=FileUniqueType.DOCUMENT,
+                media_id=video.id
+            ).encode(),
             width=video_attributes.w,
             height=video_attributes.h,
             duration=video_attributes.duration,
diff --git a/pyrogram/types/messages_and_media/video_note.py b/pyrogram/types/messages_and_media/video_note.py
index e12117eb..746045c2 100644
--- a/pyrogram/types/messages_and_media/video_note.py
+++ b/pyrogram/types/messages_and_media/video_note.py
@@ -16,13 +16,12 @@
 #  You should have received a copy of the GNU Lesser General Public License
 #  along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
 
-from struct import pack
 from typing import List
 
 import pyrogram
 from pyrogram import raw
 from pyrogram import types
-from pyrogram.utils import encode_file_id, encode_file_ref
+from pyrogram.file_id import FileId, FileType, FileUniqueId, FileUniqueType
 from ..object import Object
 
 
@@ -31,10 +30,11 @@ class VideoNote(Object):
 
     Parameters:
         file_id (``str``):
-            Unique identifier for this file.
+            Identifier for this file, which can be used to download or reuse the file.
 
-        file_ref (``str``):
-            Up to date file reference.
+        file_unique_id (``str``):
+            Unique identifier for this file, which is supposed to be the same over time and for different accounts.
+            Can't be used to download or reuse the file.
 
         length (``int``):
             Video width and height as defined by sender.
@@ -60,7 +60,7 @@ class VideoNote(Object):
         *,
         client: "pyrogram.Client" = None,
         file_id: str,
-        file_ref: str,
+        file_unique_id: str,
         length: int,
         duration: int,
         thumbs: List["types.Thumbnail"] = None,
@@ -71,7 +71,7 @@ class VideoNote(Object):
         super().__init__(client)
 
         self.file_id = file_id
-        self.file_ref = file_ref
+        self.file_unique_id = file_unique_id
         self.mime_type = mime_type
         self.file_size = file_size
         self.date = date
@@ -86,16 +86,17 @@ class VideoNote(Object):
         video_attributes: "raw.types.DocumentAttributeVideo"
     ) -> "VideoNote":
         return VideoNote(
-            file_id=encode_file_id(
-                pack(
-                    "<iiqq",
-                    13,
-                    video_note.dc_id,
-                    video_note.id,
-                    video_note.access_hash
-                )
-            ),
-            file_ref=encode_file_ref(video_note.file_reference),
+            file_id=FileId(
+                file_type=FileType.VIDEO_NOTE,
+                dc_id=video_note.dc_id,
+                media_id=video_note.id,
+                access_hash=video_note.access_hash,
+                file_reference=video_note.file_reference
+            ).encode(),
+            file_unique_id=FileUniqueId(
+                file_unique_type=FileUniqueType.DOCUMENT,
+                media_id=video_note.id
+            ).encode(),
             length=video_attributes.w,
             duration=video_attributes.duration,
             file_size=video_note.size,
diff --git a/pyrogram/types/messages_and_media/voice.py b/pyrogram/types/messages_and_media/voice.py
index 987d233f..56f6cbaf 100644
--- a/pyrogram/types/messages_and_media/voice.py
+++ b/pyrogram/types/messages_and_media/voice.py
@@ -16,11 +16,9 @@
 #  You should have received a copy of the GNU Lesser General Public License
 #  along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
 
-from struct import pack
-
 import pyrogram
 from pyrogram import raw
-from pyrogram.utils import encode_file_id, encode_file_ref
+from pyrogram.file_id import FileId, FileType, FileUniqueId, FileUniqueType
 from ..object import Object
 
 
@@ -29,10 +27,11 @@ class Voice(Object):
 
     Parameters:
         file_id (``str``):
-            Unique identifier for this file.
+            Identifier for this file, which can be used to download or reuse the file.
 
-        file_ref (``str``):
-            Up to date file reference.
+        file_unique_id (``str``):
+            Unique identifier for this file, which is supposed to be the same over time and for different accounts.
+            Can't be used to download or reuse the file.
 
         duration (``int``):
             Duration of the audio in seconds as defined by sender.
@@ -55,7 +54,7 @@ class Voice(Object):
         *,
         client: "pyrogram.Client" = None,
         file_id: str,
-        file_ref: str,
+        file_unique_id: str,
         duration: int,
         waveform: bytes = None,
         mime_type: str = None,
@@ -65,7 +64,7 @@ class Voice(Object):
         super().__init__(client)
 
         self.file_id = file_id
-        self.file_ref = file_ref
+        self.file_unique_id = file_unique_id
         self.duration = duration
         self.waveform = waveform
         self.mime_type = mime_type
@@ -75,16 +74,17 @@ class Voice(Object):
     @staticmethod
     def _parse(client, voice: "raw.types.Document", attributes: "raw.types.DocumentAttributeAudio") -> "Voice":
         return Voice(
-            file_id=encode_file_id(
-                pack(
-                    "<iiqq",
-                    3,
-                    voice.dc_id,
-                    voice.id,
-                    voice.access_hash
-                )
-            ),
-            file_ref=encode_file_ref(voice.file_reference),
+            file_id=FileId(
+                file_type=FileType.VOICE,
+                dc_id=voice.dc_id,
+                media_id=voice.id,
+                access_hash=voice.access_hash,
+                file_reference=voice.file_reference
+            ).encode(),
+            file_unique_id=FileUniqueId(
+                file_unique_type=FileUniqueType.DOCUMENT,
+                media_id=voice.id
+            ).encode(),
             duration=attributes.duration,
             mime_type=voice.mime_type,
             file_size=voice.size,
diff --git a/pyrogram/types/user_and_chats/chat_photo.py b/pyrogram/types/user_and_chats/chat_photo.py
index 58a9fcc1..53eeab53 100644
--- a/pyrogram/types/user_and_chats/chat_photo.py
+++ b/pyrogram/types/user_and_chats/chat_photo.py
@@ -16,14 +16,12 @@
 #  You should have received a copy of the GNU Lesser General Public License
 #  along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
 
-from struct import pack
 from typing import Union
 
 import pyrogram
 from pyrogram import raw
-from pyrogram.utils import encode_file_id
+from pyrogram.file_id import FileId, FileType, FileUniqueId, FileUniqueType, ThumbnailSource
 from ..object import Object
-from ... import utils
 
 
 class ChatPhoto(Object):
@@ -34,9 +32,17 @@ class ChatPhoto(Object):
             File identifier of small (160x160) chat photo.
             This file_id can be used only for photo download and only for as long as the photo is not changed.
 
+        small_photo_unique_id (``str``):
+            Unique file identifier of small (160x160) chat photo, which is supposed to be the same over time and for
+            different accounts. Can't be used to download or reuse the file.
+
         big_file_id (``str``):
             File identifier of big (640x640) chat photo.
             This file_id can be used only for photo download and only for as long as the photo is not changed.
+
+        big_photo_unique_id (``str``):
+            Unique file identifier of big (640x640) chat photo, which is supposed to be the same over time and for
+            different accounts. Can't be used to download or reuse the file.
     """
 
     def __init__(
@@ -44,12 +50,17 @@ class ChatPhoto(Object):
         *,
         client: "pyrogram.Client" = None,
         small_file_id: str,
-        big_file_id: str
+        small_photo_unique_id: str,
+        big_file_id: str,
+        big_photo_unique_id: str
+
     ):
         super().__init__(client)
 
         self.small_file_id = small_file_id
+        self.small_photo_unique_id = small_photo_unique_id
         self.big_file_id = big_file_id
+        self.big_photo_unique_id = big_photo_unique_id
 
     @staticmethod
     def _parse(
@@ -61,39 +72,40 @@ class ChatPhoto(Object):
         if not isinstance(chat_photo, (raw.types.UserProfilePhoto, raw.types.ChatPhoto)):
             return None
 
-        if peer_access_hash is None:
-            return None
-
-        photo_id = getattr(chat_photo, "photo_id", 0)
-        loc_small = chat_photo.photo_small
-        loc_big = chat_photo.photo_big
-
-        peer_type = utils.get_peer_type(peer_id)
-
-        if peer_type == "user":
-            x = 0
-        elif peer_type == "chat":
-            x = -1
-        else:
-            peer_id += 1000727379968
-            x = -234
+        media_id = chat_photo.photo_id if isinstance(chat_photo, raw.types.UserProfilePhoto) else 0
 
         return ChatPhoto(
-            small_file_id=encode_file_id(
-                pack(
-                    "<iiqqqiiiqi",
-                    1, chat_photo.dc_id, photo_id,
-                    0, loc_small.volume_id,
-                    2, peer_id, x, peer_access_hash, loc_small.local_id
-                )
-            ),
-            big_file_id=encode_file_id(
-                pack(
-                    "<iiqqqiiiqi",
-                    1, chat_photo.dc_id, photo_id,
-                    0, loc_big.volume_id,
-                    3, peer_id, x, peer_access_hash, loc_big.local_id
-                )
-            ),
+            small_file_id=FileId(
+                file_type=FileType.CHAT_PHOTO,
+                dc_id=chat_photo.dc_id,
+                media_id=media_id,
+                access_hash=0,
+                volume_id=chat_photo.photo_small.volume_id,
+                thumbnail_source=ThumbnailSource.CHAT_PHOTO_SMALL,
+                local_id=chat_photo.photo_small.local_id,
+                chat_id=peer_id,
+                chat_access_hash=peer_access_hash
+            ).encode(),
+            small_photo_unique_id=FileUniqueId(
+                file_unique_type=FileUniqueType.PHOTO,
+                volume_id=chat_photo.photo_small.volume_id,
+                local_id=chat_photo.photo_small.local_id
+            ).encode(),
+            big_file_id=FileId(
+                file_type=FileType.CHAT_PHOTO,
+                dc_id=chat_photo.dc_id,
+                media_id=media_id,
+                access_hash=0,
+                volume_id=chat_photo.photo_big.volume_id,
+                thumbnail_source=ThumbnailSource.CHAT_PHOTO_BIG,
+                local_id=chat_photo.photo_big.local_id,
+                chat_id=peer_id,
+                chat_access_hash=peer_access_hash
+            ).encode(),
+            big_photo_unique_id=FileUniqueId(
+                file_unique_type=FileUniqueType.PHOTO,
+                volume_id=chat_photo.photo_big.volume_id,
+                local_id=chat_photo.photo_big.local_id
+            ).encode(),
             client=client
         )
diff --git a/pyrogram/utils.py b/pyrogram/utils.py
index 296a7c58..10fe7ea9 100644
--- a/pyrogram/utils.py
+++ b/pyrogram/utils.py
@@ -29,60 +29,7 @@ from typing import Union
 
 from pyrogram import raw
 from pyrogram import types
-from pyrogram.scaffold import Scaffold
-
-
-def decode_file_id(s: str) -> bytes:
-    s = base64.urlsafe_b64decode(s + "=" * (-len(s) % 4))
-    r = b""
-
-    major = s[-1]
-    minor = s[-2] if major != 2 else 0
-
-    assert minor in (0, 22, 24)
-
-    skip = 2 if minor else 1
-
-    i = 0
-
-    while i < len(s) - skip:
-        if s[i] != 0:
-            r += bytes([s[i]])
-        else:
-            r += b"\x00" * s[i + 1]
-            i += 1
-
-        i += 1
-
-    return r
-
-
-def encode_file_id(s: bytes) -> str:
-    r = b""
-    n = 0
-
-    for i in s + bytes([22]) + bytes([4]):
-        if i == 0:
-            n += 1
-        else:
-            if n:
-                r += b"\x00" + bytes([n])
-                n = 0
-
-            r += bytes([i])
-
-    return base64.urlsafe_b64encode(r).decode().rstrip("=")
-
-
-def encode_file_ref(file_ref: bytes) -> str:
-    return base64.urlsafe_b64encode(file_ref).decode().rstrip("=")
-
-
-def decode_file_ref(file_ref: str) -> bytes:
-    if file_ref is None:
-        return b""
-
-    return base64.urlsafe_b64decode(file_ref + "=" * (-len(file_ref) % 4))
+from pyrogram.file_id import FileId, FileType, PHOTO_TYPES, DOCUMENT_TYPES
 
 
 async def ainput(prompt: str = "", *, hide: bool = False):
@@ -102,52 +49,38 @@ def get_offset_date(dialogs):
 
 
 def get_input_media_from_file_id(
-    file_id_str: str,
-    file_ref: str = None,
-    expected_media_type: int = None
+    file_id: str,
+    expected_file_type: FileType = None
 ) -> Union["raw.types.InputMediaPhoto", "raw.types.InputMediaDocument"]:
-    try:
-        decoded = decode_file_id(file_id_str)
-    except Exception:
-        raise ValueError(f"Failed to decode file_id: {file_id_str}")
-    else:
-        media_type = decoded[0]
+    decoded = FileId.decode(file_id)
 
-        if expected_media_type is not None:
-            if media_type != expected_media_type:
-                media_type_str = Scaffold.MEDIA_TYPE_ID.get(media_type, None)
-                expected_media_type_str = Scaffold.MEDIA_TYPE_ID.get(expected_media_type, None)
+    file_type = decoded.file_type
 
-                raise ValueError(f'Expected: "{expected_media_type_str}", got "{media_type_str}" file_id instead')
+    if expected_file_type is not None and file_type != expected_file_type:
+        raise ValueError(f'Expected: "{expected_file_type}", got "{file_type}" file_id instead')
 
-        if media_type in (0, 1, 14):
-            raise ValueError(f"This file_id can only be used for download: {file_id_str}")
+    if file_type in (FileType.THUMBNAIL, FileType.CHAT_PHOTO):
+        raise ValueError(f"This file_id can only be used for download: {file_id}")
 
-        if media_type == 2:
-            unpacked = struct.unpack("<iiqqqiiii", decoded)
-            dc_id, file_id, access_hash, volume_id, _, _, type, local_id = unpacked[1:]
-
-            return raw.types.InputMediaPhoto(
-                id=raw.types.InputPhoto(
-                    id=file_id,
-                    access_hash=access_hash,
-                    file_reference=decode_file_ref(file_ref)
-                )
+    if file_type in PHOTO_TYPES:
+        return raw.types.InputMediaPhoto(
+            id=raw.types.InputPhoto(
+                id=decoded.media_id,
+                access_hash=decoded.access_hash,
+                file_reference=decoded.file_reference
             )
+        )
 
-        if media_type in (3, 4, 5, 8, 9, 10, 13):
-            unpacked = struct.unpack("<iiqq", decoded)
-            dc_id, file_id, access_hash = unpacked[1:]
-
-            return raw.types.InputMediaDocument(
-                id=raw.types.InputDocument(
-                    id=file_id,
-                    access_hash=access_hash,
-                    file_reference=decode_file_ref(file_ref)
-                )
+    if file_type in DOCUMENT_TYPES:
+        return raw.types.InputMediaDocument(
+            id=raw.types.InputDocument(
+                id=decoded.media_id,
+                access_hash=decoded.access_hash,
+                file_reference=decoded.file_reference
             )
+        )
 
-        raise ValueError(f"Unknown media type: {file_id_str}")
+    raise ValueError(f"Unknown file id: {file_id}")
 
 
 async def parse_messages(client, messages: "raw.types.messages.Messages", replies: int = 1) -> List["types.Message"]: