How to fix on android "Can't play video. Video codec not supported"
Fixed by converting video using YouCut Video Editor on Android but it should also work on Apple IOS
This will also fix error message on Telegram "App was unable to play this video. Try it with external player?"
You can download it from here:
https://play.google.com/store/apps/details?id=com.camerasideas.trimmer&hl=en_GB&gl=US