: This codec package effectively fixes the "audio format not supported" error, enabling seamless playback for high-definition videos that use advanced audio encoding.
: Re-open MX Player. The app usually detects the file and asks if you want to use it. Click OK to restart. Manual Install (if auto-detect fails): Go to Settings > Decoder > Custom Codec . Navigate to your Download folder and select the zip file. : This codec package effectively fixes the "audio