The mother of all sound MODs for Android, Viper4Android, can be tricky to install on the recent Android releases like Lollipop and the Marshmallow. This is because of change in SELinux policy on Android.

The new SELinux policy, which is set to enforcing mode rather than permissive mode on Lollipop and Marshmallow makes it impossible install Viper4Android sound MOD.

But thankfully, you can change the SELinux policy using a simple app called SELinuxModeChanger, and then installing Viper4Android is a breeze.

Grab both the SELinuxModeChanger and Viper4Android app from the download links below, and then follow the instrcutions to install Viper4Android on your Xperia M4 Aqua.

[icon name=”download” class=”” unprefixed_class=””] Download SELinuxModeChanger (.apk)

[icon name=”download” class=”” unprefixed_class=””] Download Viper4Android (.apk)

Instructions
  1. Download both the files from the links above to your Xperia M4 Aqua.
  2. Install Busybox.
  3. Install SELinuxModeChanger .apk file that you downloaded above and set SELinux to permissive mode.
  4. Install Viper4Android apk, and set up your desirable audio driver.
  5. Reboot phone.

That’s all. Enjoy Viper4Android on your Xperia M4 Aqua.

Happy Androiding!