diff --git a/client/doc/concepts/botapi-vs-mtproto.rst b/client/doc/concepts/botapi-vs-mtproto.rst
index e8459c3f..37859dfe 100644
--- a/client/doc/concepts/botapi-vs-mtproto.rst
+++ b/client/doc/concepts/botapi-vs-mtproto.rst
@@ -402,7 +402,7 @@ In Telethon:
 
     @client.on(events.NewMessage, Command("/start"))
     async def command_start_handler(message: Message) -> None:
-        await message.respond(html=f"Hello, <b>{html.escape(message.sender.full_name)}</b>!")
+        await message.respond(html=f"Hello, <b>{html.escape(message.sender.name)}</b>!")
 
     @dp.message()
     async def echo_handler(message: types.Message) -> None:
diff --git a/client/doc/index.rst b/client/doc/index.rst
index 13e3cd0d..2da0f545 100644
--- a/client/doc/index.rst
+++ b/client/doc/index.rst
@@ -19,7 +19,7 @@
     async def main():
         async with Client('name', api_id, api_hash) as client:
             me = await client.interactive_login()
-            await client.send_message(me, f'Hello, {me.full_name}!')
+            await client.send_message(me, f'Hello, {me.name}!')
 
             @client.on(events.NewMessage, filters.Text(r'(?i)hello'))
             async def handler(event):
diff --git a/client/src/telethon/_impl/client/client/auth.py b/client/src/telethon/_impl/client/client/auth.py
index 60489e31..a05d932c 100644
--- a/client/src/telethon/_impl/client/client/auth.py
+++ b/client/src/telethon/_impl/client/client/auth.py
@@ -147,7 +147,7 @@ async def interactive_login(
     if re.match(r"\d+:", phone_or_token):
         user = await self.bot_sign_in(phone_or_token)
         try:
-            print("Signed in as bot:", user.full_name)
+            print("Signed in as bot:", user.name)
         except UnicodeEncodeError:
             print("Signed in as bot")
 
@@ -188,7 +188,7 @@ async def interactive_login(
         user = user_or_token
 
     try:
-        print("Signed in as user:", user.full_name)
+        print("Signed in as user:", user.name)
     except UnicodeEncodeError:
         print("Signed in as user")
 
diff --git a/client/src/telethon/_impl/client/client/client.py b/client/src/telethon/_impl/client/client/client.py
index 071efd3c..392d8412 100644
--- a/client/src/telethon/_impl/client/client/client.py
+++ b/client/src/telethon/_impl/client/client/client.py
@@ -289,7 +289,7 @@ class Client:
         .. code-block:: python
 
             async def my_print_handler(event):
-                print(event.chat.full_name, event.text)
+                print(event.chat.name, event.text)
 
             # Register a handler to be called on new messages
             client.add_event_handler(my_print_handler, events.NewMessage)
@@ -395,7 +395,7 @@ class Client:
         .. code-block:: python
 
             async for dialog in client.iter_dialogs():
-                if 'dog pictures' in dialog.chat.full_name:
+                if 'dog pictures' in dialog.chat.name:
                     # You've realized you're more of a cat person
                     await client.delete_dialog(dialog.chat)
         """
@@ -609,7 +609,7 @@ class Client:
         .. code-block:: python
 
             async for user in client.get_contacts():
-                print(user.full_name, user.id)
+                print(user.name, user.id)
         """
         return get_contacts(self)
 
@@ -629,7 +629,7 @@ class Client:
 
             async for dialog in client.get_dialogs():
                 print(
-                    dialog.chat.full_name,
+                    dialog.chat.name,
                     dialog.last_message.text if dialog.last_message else ''
                 )
         """
@@ -719,7 +719,7 @@ class Client:
             if me.bot:
                 print('I am a bot')
 
-            print('My name is', me.full_name)
+            print('My name is', me.name)
 
             if me.phone:
                 print('My phone number is', me.phone)
@@ -764,7 +764,7 @@ class Client:
             from datetime import datetime
 
             async for message in client.get_messages(chat, offset_date=datetime(2023, 1, 1)):
-                print(message.sender.full_name, ':', message.html_text)
+                print(message.sender.name, ':', message.html_text)
         """
         return get_messages(
             self, chat, limit, offset_id=offset_id, offset_date=offset_date
@@ -814,7 +814,7 @@ class Client:
         .. code-block:: python
 
             async for participant in client.get_participants(chat):
-                print(participant.user.full_name)
+                print(participant.user.name)
         """
         return get_participants(self, chat)
 
@@ -897,7 +897,7 @@ class Client:
         .. code-block:: python
 
             me = await client.interactive_login()
-            print('Logged in as:', me.full_name)
+            print('Logged in as:', me.name)
 
             # or, to make sure you're logged-in as a bot
             await client.interactive_login('1234:ab56cd78ef90)
@@ -950,14 +950,14 @@ class Client:
             # Register a handler to be called on new messages
             @client.on(events.NewMessage)
             async def my_print_handler(event):
-                print(event.chat.full_name, event.text)
+                print(event.chat.name, event.text)
 
             # Register a handler to be called on new messages if they contain "hello" or "/start"
             from telethon.events.filters import Any, Text, Command
 
             @client.on(events.NewMessage, Any(Text(r'hello'), Command('/start')))
             async def my_other_print_handler(event):
-                print(event.chat.full_name, event.text)
+                print(event.chat.name, event.text)
 
         .. seealso::
 
diff --git a/client/src/telethon/_impl/client/client/files.py b/client/src/telethon/_impl/client/client/files.py
index 8482a4e9..da127d61 100644
--- a/client/src/telethon/_impl/client/client/files.py
+++ b/client/src/telethon/_impl/client/client/files.py
@@ -311,7 +311,7 @@ async def upload(
 ) -> abcs.InputFile:
     file_id = generate_random_id()
 
-    uploaded = 0
+    offset = 0
     part = 0
     total_parts = (size + MAX_CHUNK_SIZE - 1) // MAX_CHUNK_SIZE
     buffer = bytearray()
@@ -319,18 +319,19 @@ async def upload(
     hash_md5 = hashlib.md5()
     is_big = size > BIG_FILE_SIZE
 
-    while uploaded != size:
+    while offset != size:
         ret = fd.read(MAX_CHUNK_SIZE - len(buffer))
         chunk = await ret if isawaitable(ret) else ret
         assert isinstance(chunk, bytes)
         if not chunk:
             raise ValueError("unexpected end-of-file")
 
-        if len(chunk) == MAX_CHUNK_SIZE or uploaded + len(chunk) == size:
+        offset += len(chunk)
+        if not buffer and (offset == size or len(chunk) == MAX_CHUNK_SIZE):
             to_store = chunk
         else:
             buffer += chunk
-            if len(buffer) == MAX_CHUNK_SIZE:
+            if offset == size or len(buffer) == MAX_CHUNK_SIZE:
                 to_store = buffer
             else:
                 continue
@@ -340,14 +341,14 @@ async def upload(
                 functions.upload.save_big_file_part(
                     file_id=file_id,
                     file_part=part,
-                    file_total_parts=part,
+                    file_total_parts=total_parts,
                     bytes=to_store,
                 )
             )
         else:
             await client(
                 functions.upload.save_file_part(
-                    file_id=file_id, file_part=total_parts, bytes=to_store
+                    file_id=file_id, file_part=part, bytes=to_store
                 )
             )
             hash_md5.update(to_store)
diff --git a/client/src/telethon/_impl/mtproto/mtp/encrypted.py b/client/src/telethon/_impl/mtproto/mtp/encrypted.py
index 2100082f..49fa46b6 100644
--- a/client/src/telethon/_impl/mtproto/mtp/encrypted.py
+++ b/client/src/telethon/_impl/mtproto/mtp/encrypted.py
@@ -196,7 +196,6 @@ class Encrypted(Mtp):
                 self._msg_count,
             )
 
-        print("packed", self._msg_count)
         self._msg_count = 0
         result = bytes(self._buffer)
         self._buffer.clear()