diff --git a/pyrogram/client/client.py b/pyrogram/client/client.py
index 8b8f58f3..5cb003b6 100644
--- a/pyrogram/client/client.py
+++ b/pyrogram/client/client.py
@@ -1064,6 +1064,7 @@ class Client(Methods, BaseClient):
                     access_hash=data.access_hash,
                     thumb_size=data.thumb_size,
                     peer_id=data.peer_id,
+                    peer_access_hash=data.peer_access_hash,
                     volume_id=data.volume_id,
                     local_id=data.local_id,
                     file_size=data.file_size,
@@ -1708,6 +1709,7 @@ class Client(Methods, BaseClient):
         access_hash: int,
         thumb_size: str,
         peer_id: int,
+        peer_access_hash: int,
         volume_id: int,
         local_id: int,
         file_size: int,
@@ -1752,7 +1754,10 @@ class Client(Methods, BaseClient):
 
         if media_type == 1:
             location = types.InputPeerPhotoFileLocation(
-                peer=self.resolve_peer(peer_id),
+                peer=types.InputPeerUser(
+                    user_id=peer_id,
+                    access_hash=peer_access_hash
+                ),
                 volume_id=volume_id,
                 local_id=local_id,
                 big=is_big or None
diff --git a/pyrogram/client/ext/file_data.py b/pyrogram/client/ext/file_data.py
index 9a19cd5d..ad1da9b6 100644
--- a/pyrogram/client/ext/file_data.py
+++ b/pyrogram/client/ext/file_data.py
@@ -20,8 +20,9 @@
 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, 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
+        thumb_size: str = None, peer_id: int = 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
     ):
         self.media_type = media_type
         self.dc_id = dc_id
@@ -29,6 +30,7 @@ class FileData:
         self.access_hash = access_hash
         self.thumb_size = thumb_size
         self.peer_id = peer_id
+        self.peer_access_hash = peer_access_hash
         self.volume_id = volume_id
         self.local_id = local_id
         self.is_big = is_big
diff --git a/pyrogram/client/ext/utils.py b/pyrogram/client/ext/utils.py
index cdc0684c..39031adf 100644
--- a/pyrogram/client/ext/utils.py
+++ b/pyrogram/client/ext/utils.py
@@ -104,8 +104,8 @@ def get_input_media_from_file_id(
             raise ValueError("This file_id can only be used for download: {}".format(file_id_str))
 
         if media_type == 2:
-            unpacked = struct.unpack("<iiqqc", decoded)
-            dc_id, file_id, access_hash, thumb_size = unpacked[1:]
+            unpacked = struct.unpack("<iiqqqiiii", decoded)
+            dc_id, file_id, access_hash, volume_id, _, _, type, local_id = unpacked[1:]
 
             return types.InputMediaPhoto(
                 id=types.InputPhoto(
diff --git a/pyrogram/client/methods/messages/download_media.py b/pyrogram/client/methods/messages/download_media.py
index b00b7c72..9cf60387 100644
--- a/pyrogram/client/methods/messages/download_media.py
+++ b/pyrogram/client/methods/messages/download_media.py
@@ -138,21 +138,22 @@ class DownloadMedia(BaseClient):
             media_type = decoded[0]
 
             if media_type == 1:
-                unpacked = struct.unpack("<iiqqib", decoded)
-                dc_id, peer_id, volume_id, local_id, is_big = unpacked[1:]
+                unpacked = struct.unpack("<iiqqqiiiqi", decoded)
+                dc_id, photo_id, _, volume_id, size_type, peer_id, _, peer_access_hash, local_id = unpacked[1:]
 
                 data = FileData(
                     **get_existing_attributes(),
                     media_type=media_type,
                     dc_id=dc_id,
                     peer_id=peer_id,
+                    peer_access_hash=peer_access_hash,
                     volume_id=volume_id,
                     local_id=local_id,
-                    is_big=bool(is_big)
+                    is_big=size_type == 3
                 )
             elif media_type in (0, 2, 14):
-                unpacked = struct.unpack("<iiqqc", decoded)
-                dc_id, document_id, access_hash, thumb_size = unpacked[1:]
+                unpacked = struct.unpack("<iiqqqiiii", decoded)
+                dc_id, document_id, access_hash, volume_id, _, _, thumb_size, local_id = unpacked[1:]
 
                 data = FileData(
                     **get_existing_attributes(),
@@ -160,7 +161,7 @@ class DownloadMedia(BaseClient):
                     dc_id=dc_id,
                     document_id=document_id,
                     access_hash=access_hash,
-                    thumb_size=thumb_size.decode()
+                    thumb_size=chr(thumb_size)
                 )
             elif media_type in (3, 4, 5, 8, 9, 10, 13):
                 unpacked = struct.unpack("<iiqq", decoded)
diff --git a/pyrogram/client/types/messages_and_media/photo.py b/pyrogram/client/types/messages_and_media/photo.py
index 8ccaaf19..ce117a25 100644
--- a/pyrogram/client/types/messages_and_media/photo.py
+++ b/pyrogram/client/types/messages_and_media/photo.py
@@ -77,10 +77,10 @@ class Photo(Object):
             return Photo(
                 file_id=encode(
                     pack(
-                        "<iiqqc",
-                        2, photo.dc_id,
-                        photo.id, photo.access_hash,
-                        big.type.encode()
+                        "<iiqqqiiii",
+                        2, photo.dc_id, photo.id, photo.access_hash,
+                        big.location.volume_id, 1, 2, ord(big.type),
+                        big.location.local_id
                     )
                 ),
                 width=big.w,
diff --git a/pyrogram/client/types/messages_and_media/thumbnail.py b/pyrogram/client/types/messages_and_media/thumbnail.py
index 936241c6..57f369c3 100644
--- a/pyrogram/client/types/messages_and_media/thumbnail.py
+++ b/pyrogram/client/types/messages_and_media/thumbnail.py
@@ -66,7 +66,7 @@ class Thumbnail(Object):
     ) -> Union[List[Union[StrippedThumbnail, "Thumbnail"]], None]:
         if isinstance(media, types.Photo):
             raw_thumbnails = media.sizes[:-1]
-            media_type = 0
+            media_type = 2
         elif isinstance(media, types.Document):
             raw_thumbnails = media.thumbs
             media_type = 14
@@ -87,10 +87,10 @@ class Thumbnail(Object):
                     Thumbnail(
                         file_id=encode(
                             pack(
-                                "<iiqqc",
-                                media_type, media.dc_id,
-                                media.id, media.access_hash,
-                                thumbnail.type.encode()
+                                "<iiqqqiiii",
+                                media_type, media.dc_id, media.id, media.access_hash,
+                                thumbnail.location.volume_id, 1, 2, ord(thumbnail.type),
+                                thumbnail.location.local_id
                             )
                         ),
                         width=thumbnail.w,
diff --git a/pyrogram/client/types/user_and_chats/chat_photo.py b/pyrogram/client/types/user_and_chats/chat_photo.py
index 623aaca8..95160447 100644
--- a/pyrogram/client/types/user_and_chats/chat_photo.py
+++ b/pyrogram/client/types/user_and_chats/chat_photo.py
@@ -54,20 +54,40 @@ class ChatPhoto(Object):
         if not isinstance(chat_photo, (types.UserProfilePhoto, types.ChatPhoto)):
             return None
 
+        photo_id = getattr(chat_photo, "photo_id", 0)
         loc_small = chat_photo.photo_small
         loc_big = chat_photo.photo_big
 
+        peer = client.resolve_peer(peer_id)
+
+        if isinstance(peer, types.InputPeerUser):
+            peer_id = peer.user_id
+            peer_access_hash = peer.access_hash
+            x = 0
+        elif isinstance(peer, types.InputPeerChat):
+            peer_id = -peer.chat_id
+            peer_access_hash = 0
+            x = -1
+        else:
+            peer_id += 1000727379968
+            peer_access_hash = peer.access_hash
+            x = -234
+
         return ChatPhoto(
             small_file_id=encode(
                 pack(
-                    "<iiqqib",
-                    1, chat_photo.dc_id, peer_id, loc_small.volume_id, loc_small.local_id, 0
+                    "<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(
                 pack(
-                    "<iiqqib",
-                    1, chat_photo.dc_id, peer_id, loc_big.volume_id, loc_big.local_id, 1
+                    "<iiqqqiiiqi",
+                    1, chat_photo.dc_id, photo_id,
+                    0, loc_big.volume_id,
+                    3, peer_id, x, peer_access_hash, loc_big.local_id
                 )
             ),
             client=client