G4_0139.mp4 – High Speed

: Many generic or "G-Sensor" equipped dashcams use a "G" prefix to denote protected files (videos recorded during an impact or sudden braking).

: The "Date Created" timestamp is the best way to remember where you were or what you were filming at that time. Check File Size : g4_0139.mp4

: GoPro often uses a naming convention like GH010139.mp4 or GX010139.mp4 . If your file is g4_0139 , it may be a renamed clip or from a specific mobile app export. : Many generic or "G-Sensor" equipped dashcams use