Open MX Player, go to Settings > Decoder , and scroll to the bottom to find the Custom codec section. It will display the required architecture (e.g., ARMv8 NEON, x86).

MX Player relies on three decoders: HW (Hardware), HW+ (Hardware Plus), and SW (Software). HDR strictly requires hardware-level processing to map colors correctly. Open your HDR video file in MX Player. Tap the screen to reveal the UI controls.

: On many Android devices, you must manually enable "Bright HDR video mode" under Settings > Display & Brightness

If you encounter errors such as "This audio format (TRUEHD/EAC3) is not supported" while trying to play HDR content, you must install a custom codec.

To ensure HDR content plays correctly, you must use the appropriate hardware decoder and system settings.

: Obtain the latest AIO (All-in-One) ZIP file from reputable sources like the MX Player Custom Codec page . Install : Open MX Player and go to Settings > Decoder > Custom codec . Navigate to your downloaded ZIP file and select it.

If you actually want HDR playback: