The Android unsupported video or audio codec error can be easily fixed by either converting video file format to MP4 or playing video in VLC Media Player, an open-source with the wide video format and codec support.

How do I fix codec error?

To resolve this problem, configure Windows Media Player to download codecs automatically. To do so, follow these steps in Windows Media Player 11: On the Tools menu, select Options. Select the Player tab, select the Download codecs automatically check box, and then select OK.

How do I fix unsupported files on Android?

You cannot open unsupported images on an Android device. So the best way is to convert the picture file type to a format supported by your mobile make and model. In case, despite having a supported image file type, the picture doesn’t open in Android, try rebooting your phone or compress the image size.