Some Xiaomi and Redmi phones, after a firmware update, simply stop detecting 3-pole (headset) vs. 4-pole (headset+mic) jacks. You can hear music, but the microphone doesn’t work.
Order matters. Install your audio mod first (e.g., Viper4Android), test it, then install ACP if it fails. Installing ACP before your mod sometimes works, but post-mod is cleaner.
Search for "Audio Compatibility Patch XDA" or visit the official GitHub repository at github.com/Zackptg5/Audio-Compatibility-Patch . Audio Compatibility Patch Magisk Module
Modern "Reborn" versions of the patch can disable "Ultra Low Latency (Raw)" and "Fast" playback to ensure mods work even in mobile games.
The Magisk module is a critical tool for rooted Android users who want to use advanced audio equalizers like ViPER4Android, JamesDSP, or Ainur Sauron without app-specific failures. It acts as a bridge, modifying the system's audio policy to ensure that music and streaming apps correctly process custom audio effects. What is the Audio Compatibility Patch? Some Xiaomi and Redmi phones, after a firmware
After rebooting, open a terminal app or ADB shell and run:
If Magisk shows "Module will be updated at next reboot" repeatedly, navigate to /data/adb/modules/acp and delete the update file. reiryuki/Audio-Compatibility-Patch-Reborn-Magisk-Module Order matters
This article dives deep into what the ACP module is, how it works, why you might need it, and a step-by-step guide to installing it safely.
The Audio Compatibility Patch is a systemless modification designed to fix common audio bugs associated with rooting and custom ROM usage. Unlike generic fixes that require editing system files manually (which defeats the purpose of systemless root), this module applies patches on the fly.