Select the file. MX Player will automatically read the package, validate the architecture, and prompt for an application restart.
. Scroll to the bottom to see which specific custom codec version the app identifies as needed (e.g., "Use ARMv8 NEON type custom codec"). : Obtain the corresponding file (e.g., from Free-Codecs.com or the official XDA Developers thread In MX Player, navigate back to Settings > Decoder Custom codec Locate and select the downloaded The app will automatically restart to apply the new codec. Which one to choose? mx_neon64.zip : Specifically for modern 64-bit ARMv8 devices. mx_aio.zip
| Issue | Solution | |-------|----------| | Codec not recognized | Wrong architecture (ARMv7 vs ARMv8). Get the correct one. | | No sound for AC3/DTS | Use in MX Player settings. | | App crashes after codec | Clear MX Player data → reinstall codec. | | Old version lacks features | Update to MX Player Pro v1.24+ (supports more codecs natively). |
The primary function of the custom NEON codec is to restore native decoding for restricted audio formats, most notably DTS (Digital Theater Systems), DTS-HD, AC3 (Dolby Digital), and Enhanced AC3 (E-AC3). Without the custom codec, videos containing these audio tracks will play in silence, displaying an error message such as "Audio format not supported."
This custom codec is a specialized add-on that enhances MX Player's ability to handle additional, otherwise unsupported formats. * Free-Codecs.com
The primary reason users install the "MX Player 1130 ARMv8 Neon Codec" is to resolve audio silence or video playback errors.
