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MP4 is a container format. If you have audio but no video, your system might be missing the specific video codec (like H.264 or H.265). Updating your media player usually solves this.

Simply double-click the file to open it in QuickTime Player .

If the file size is 0 KB, the recording may have been interrupted, and the file is likely corrupted.

If the file won't open or play correctly, consider these steps:

The filename VID_20220829_214955_417.mp4 follows a standard naming convention used by many Android devices, indicating it was recorded on .