: The most powerful tool for "looking into" a file's hidden data. You can use the official ExifTool site to download the utility and see the exact GPS coordinates, camera settings, and creation dates embedded in the MP4.
Provide a few more details and I can dig deeper! IMG_3103MP4
If you want to find out where, when, or how the video was filmed: : The most powerful tool for "looking into"
If the video won't play, it may have a broken header or was interrupted during saving. IMG_3103MP4
Since "IMG_XXXX" is a standard Apple format, you might be looking for how to manage these files: