Change a correctly recorded file

If audio of your repaired file works and you can’t see the video it probably means that your correctly recorded file is wrong. The correctly recorded video may be in a different format than the broken video or is recorded with a different application.

Try changing the working video to a video correctly recorded on the same device using the same app (same version and settings) as the broken one.

Please read When and how to change the correctly recorded file? to find out how to change correctly recorded file and fix your file perfectly.

Change your video player

If changing the correctly recorded file didn’t work, you may still try some other video players. We recommend  VLC (it provides probably the best codec support).

If there are audio data only even MP4Fix can’t fix the video

Sometimes crashed camera doesn’t save video data (audio only). Please, check the size of the file. If your file is significantly smaller than other video with the same length that’s the case. It means that unfortunately there is  no more video data in the file that MP4Fix could repair for you.


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