0h1e9xda1kym1etcbyjwv_720p.mp4 -

: MP4 (MPEG-4 Part 14), a standard digital multimedia container used for storing video and audio. Resolution : 720p (High Definition), typically

: Open the file in the Photos app and tap the "i" or swipe up to see resolution and file size. 0h1e9xda1kym1etcbyjwv_720p.mp4

: MediaInfo or the command-line tool ffprobe provide the most granular data for developers. Common Issues : MP4 (MPEG-4 Part 14), a standard digital