You can repair those MP4 video files easily by using worthy MOV repair software. In case, your MP4 video file shows any error, then no need to bother about them.

If any interruption occurs while transferring or downloading MP4 videos over internet.

Sharing malware infected MP4 files on iPhone.

Using incompatible media players to play MP4 video on iPhone.Possible reasons causing damage to MP4 file are listed here: The core reason behind above mentioned error is that MP4 video file is corrupted.

Video can’t be played because the file is corrupt.Some of the familiar error messages that appear in iPhone upon playing. Many users might have faced above kind of situation while trying to play MP4 files. If anyone has idea about this error, then please share your ideas here. I don’t know why this error is occurring. Everything was working fine previously, but I cannot play any MP4 videos in my iPhone and it shows some unknown errors like invalid file format, cannot read the file and many other error messages. “Previously I used to enjoy watching videos in my iPhone.

Cannot play mp4 on mac