A custom codec (short for Coder-Decoder) replaces the faulty native decoders. The for MX Player is specifically built to:

Stay updated, keep your player and codec packs current, and enjoy the breathtaking world of High Dynamic Range video on your own terms. With MX Player, you are always at the forefront of the mobile visual revolution.

Go to and ensure HW+ decoder is checked for local playback. Scroll down to HW+ video codecs and make sure HEVC , VP9 , and H.264 are explicitly selected. Adjust Display and Brightness Settings

Check if the decoder listed matches the new version you installed (usually, it will show "FFmpeg" or indicate a customized version). Frequently Asked Questions Do I need a custom codec for every HDR video?

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The new HDR codec package addresses these exact bottlenecks by bridging the gap between MX Player’s software rendering engine and your phone's graphics hardware. What’s New in the MX Player HDR Codec Update?

: Enjoy a wider range of colors, bringing the visuals to life with more vivid and realistic hues.

In a significant move to elevate the viewing experience for its vast user base, MX Player, one of the leading media players in the digital landscape, has announced the integration of a new HDR (High Dynamic Range) codec. This update is set to redefine how users enjoy content with richer colors, higher contrast, and a more immersive visual experience.

Go to Settings -> Decoder -> CPU Core Limit and ensure it matches or exceeds the number of physical performance cores your device has. Alternatively, clear your device RAM before launching heavy 4K files.

The official MX Player (free or Pro) does not include these codecs by default. You must download and add them manually.

To confirm successful installation, go back to the Decoder menu. The "Custom Codec" section should now read that the external codec is active. Pro-Tips to Optimize MX Player for Perfect HDR Rendering

Once the new codec is loaded:

Renders over 1 billion colors instead of the standard 16.7 million.

True HDR playback requires your phone screen to reach high peak brightness levels to display contrast accurately. Inside the player screen during video playback, tap the screen options and enable if available. You can also configure the player to temporarily boost your phone screen to maximum brightness automatically whenever an HDR video file is launched. Troubleshooting Common HDR Playback Issues