Can I repair a corrupted. MP4 video file?

yes, depends on the extent of the problem.
was this file carve by a data recovery software ?
what is the camera model ?

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Data Recovery Pakistan

still you need this ?
if yes, then pls. explian whole problem. is this formatted recovered chip?

i think normally you mean canon 80d, 5d mark iv(there are two types 5d mk4) sony pxw series and gopro or drone. this all models can be recovered 90% - 100%

you really think this is a real post?

vague question with 0 information that could help. suspect spammer

friend HaQue.

i think maybe.

If you need to repair video file you need some specific software. For example some video editor software that may parse video frames and generate new file that will include found data. This approach may works if you have software and not so much files.
But much better to look on source(device) of this file. Does it really corrupted or you just used wrong data extraction tool?