Vid_20190818_182958.mp4

: The exact latitude and longitude where the video was filmed.

: If the file is extremely large, use Handbrake to compress it without losing much quality. VID_20190818_182958.mp4

: The specific phone (e.g., Samsung Galaxy S10, Pixel 3) used. Settings : Resolution (4K vs 1080p) and frame rate. 3. Verify File Integrity If the video won't play, it might be corrupted. : The exact latitude and longitude where the

The filename tells you when it was saved, but "Metadata" can tell you much more. : Right-click file > Properties > Details . On Mac : Right-click file > Get Info . Settings : Resolution (4K vs 1080p) and frame rate

If you can tell me a bit more about or what happens when you try to play it , I can give you more specific technical advice!

: Look at your digital calendar for August 18, 2019 . Were you at a concert, a wedding, or traveling?

: Change it to 2019-08-18_EventName_Location.mp4 .