: The .mp4 extension indicates it is a digital multimedia container format. MP4 files are widely compatible and can be played on almost any modern device using standard players like Windows Media Player or VLC Media Player . Where to Find and Identify the Content

: Found within the "Files" app under On My iPhone > Telegram .

: The long string of numbers (5057983612117320136) is a unique internal ID used by Telegram's API to track the specific media object in their database.