Did you try to install ffmpeg and run: „ffmpeg -i someFile.fileextension -c:a libmp3lame -c:v libx264 -f mp4 outFile.mp4“ to repair the file. Then you should be able to play it on every device. On windows you can install ffmpeg with winget and on linux for example with apt or on macos with brew.
Did you try to install ffmpeg and run: „ffmpeg -i someFile.fileextension -c:a libmp3lame -c:v libx264 -f mp4 outFile.mp4“ to repair the file. Then you should be able to play it on every device. On windows you can install ffmpeg with winget and on linux for example with apt or on macos with brew.