Found in older or budget 32-bit devices.

When FX Player updates via the App Store, it sometimes resets its directory paths or requires a newer version of the FFmpeg library. If this happens, simply download the updated codec pack that matches the new app version.

Launch FX Player and tap the Menu icon (three lines/dots).

To fix "Audio format not supported" errors in FX Player, you typically need an custom codec library.

: Ensuring smooth playback for high-resolution content like 4K or 8K video on older devices by utilizing optimized software libraries.

By following these steps and using external codecs with FX Player, you can enjoy a wider range of audio and video formats on your Android device. Happy playing!

Whenever FX Player receives a major update through the Google Play Store, it might overwrite its internal pathways. If your audio suddenly stops working after an automatic app update, simply repeat the installation steps to point the app back to your downloaded external codec folder. Conclusion

The audio plays perfectly, but the screen remains entirely black (indicating a missing video codec like HEVC or 10-bit HDR).

: If you are using a PC media player, installing external codecs is more manual. FX Player itself is not available for Windows, but if you want to understand the concept, you can install a comprehensive codec pack like the K-Lite Codec Pack or X Codec Pack . Once installed, you can configure your PC media player (such as PotPlayer) to use them by specifying the external filter or decoder file [3†L33-L34].

4. What should I do if the app crashes after installing the codec?