G8640.mp4 -

A file stored during a device backup, often containing screen captures or recorded video logs [1].

Without seeing the video content, this identifier is commonly used for: g8640.mp4

A sample video used to demonstrate playback, encoding, or editing capabilities in a technical tutorial [1]. A file stored during a device backup, often

If this is a file from your own device, it is likely a recorded screen capture or a camera export. g8640.mp4