If you upgrade to MX Player 1.50 or 1.51, search for the matching repack. The community typically releases updates within 2 weeks of a major MX Player update.
: The app will automatically prompt to restart. Once rebooted, the custom codec is active. Free-Codecs.com Identification To verify which codec your device needs, check Custom Codec mx player custom codec 149 0 armv8 neon repack
While the 1.49.0 ARMv8 NEON repack is excellent, MX Player itself has evolved. The app was acquired by Amazon and now includes ads. Moreover, Android's shifting media framework (Media3, ExoPlayer) means custom codecs may eventually break. If you upgrade to MX Player 1
To fully utilize the codec:
: It acts as an external FFmpeg library, allowing the player to decode high-definition audio tracks that would otherwise result in an "audio format not supported" error. Architecture ARMv8 NEON Once rebooted, the custom codec is active