3 3 .3gp

These tools ask for a sample working .3gp file from the same phone model to rebuild the corrupted header of your 3 3 .3gp file.

To avoid ending up with mysterious, broken video files again: 3 3 .3gp

While they are very similar, they target different mobile network technologies: What is a 3GP video file and how do I open it? - Canto These tools ask for a sample working