You downloaded the wrong processor architecture. If your device requires an ARMv7 or x86 codec, trying to force-load the ARMv8 NEON codec will result in this failure message. Re-check your decoder settings to see your exact hardware requirements. Audio is still out of sync
Understanding the MX Player 1.13.0 ARMv8 NEON Codec: A Complete Guide
The "Armv8 Neon" designation is specific. It will run on:
#include <sys/auxv.h> if (getauxval(AT_HWCAP) & HWCAP_ASIMD) /* use NEON */ Mx Player 1.13.0 Armv8 Neon Codec
: Allows users to zoom in/out and pan across the video during playback. Subtitle Gestures
Reopen . If the file is in your Download folder, the app will often show a pop-up saying: "Found Custom Codec. Do you want to use it?" Click OK . The app will restart automatically. If it does not pop up automatically: Go to Settings > Decoder . Tap on Custom Codec .
: This version improved the ability to cast high-quality videos to larger screens. How to Install the Custom Codec You downloaded the wrong processor architecture
Before downloading, ensure you are actually using MX Player 1.13.0 and that your device requires the ARMv8 NEON Open MX Player and go to Scroll to the very bottom to find the Custom Codec
Android devices use processors based on the . By version 1.13.0, most high-end and mid-range devices had moved to ARMv8 (64-bit) chipsets (e.g., Qualcomm Snapdragon 835/660, Samsung Exynos 9, MediaTek Helio P series).
Version 1.13.0 is quite old. If you are experiencing crashes or the codec isn't working: Update the App : Newer versions of (e.g., 1.80+) handle codecs more efficiently. : Many users prefer the AIO (All-in-One) Audio is still out of sync Understanding the MX Player 1
For users of , the ARMv8 Neon codec is not a luxury but a necessity to unlock the player's full potential. It addresses the key limitation of the post-1.7.32 versions—the lack of support for popular audio codecs—and provides a seamless, trouble-free media playback experience.
: Once downloaded, opening MX Player usually triggers a prompt to "Use custom codec." Click OK to restart the app and apply the changes.
: Includes the "HW+" decoder, allowing for smoother playback on a wider range of video files.