The most reliable source for these files is , which hosts up-to-date versions compatible with the latest MX Player releases.
MX Player Custom Codec 1.90.1 (mx_aio.zip). mx player aac codec download
If you aren't sure about your device's CPU architecture, always download the package as it includes all necessary files for any Android device. mx_aio.zip: Compatible with ARM, ARM64, x86, and x86_64. mx_neon64.zip: Specifically for modern 64-bit ARM devices. mx_neon.zip: For older or budget 32-bit ARM devices. Troubleshooting Common Issues MX Player Custom Codec 2.7.x The most reliable source for these files is
Scroll to the bottom and tap Custom codec . mx_aio
Launch the app, tap the three-line menu icon, and go to Settings > Local Player Settings > Decoder .
MX Player will display a prompt: "Restarting app to reload codec." Click OK . Once the app restarts, your AAC and EAC3 audio should play automatically. Which Codec File Should You Choose?
MX Player Custom Codec 2.7.x (Recommended for all devices).