It seems to me it should work, but I don't know file formats well enough to decipher what this is precisely telling me.Ġ0000000 | 00 00 00 20 66 74 79 70 |. When I paste this known good header on top of a different file, it won't work.Īny thoughts on this technique. I am thinking that maybe things fail because there's filesizes and addresses that are different for each video file. Problem is, it didn't work.īelow is the header of a good file. In my ignorance, I decided I'd just plop a known good header from a working file on top of what appears to be a corrupted header. I decided to use a hex editor and when I do a search for some common strings and sure enough, I did bump into them. I strongly believe the video is still on the SD card, but somehow pointers to the files are messed up. I've used numerous tools to try and 'recover' the video but to no avail. After file 20, all the video is corrupted.

Supported OS: Windows 11, Windows 10, Windows 8.I have an SD card with 40 mp4 files on it.

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