[Samsung Galaxy S8+ Themes, Apps, and Mods] adriano222:
Instructions to Install ViPER4Android on Android Oreo

The instructions have been split into two parts for your convenience. The first part involves setting up the device before you proceed to the actual instructions to install ViPER4Android on Android Oreo 8.0. The second part covers installing ViPER4Android itself and the drivers.

Step 1: Pre-setup

Download and install Busybox on your rooted Android. V4A team recommend using Stephen (Stericson) Busybox, so download it by clicking on the app box below.

BusyBox

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Once it has been installed on your device, launch the app from the app drawer.

As soon as the app starts, it will prompt you for root permissions, so grant them.

Install ViPER4Android on Android Oreo - Busybox Installation

Install ViPER4Android on Android Oreo – Busybox Installation

Make sure that you are in the “Install Busybox” tab. Do not modify any options, leave them as they are.

Tap on the “Install” button on the very bottom of the app screen. The Busybox installation will start and complete in no time. You shall see the confirmation message instantly.

Next, download a root-enabled file manager of your choice. We prefer Solid Explorer for its simplicity and efficiency.

Solid Explorer File Manager

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Once installed, launch Solid Explorer.

Swipe out from the left edge of the app screen and tap on “Root” under the “Storages” menu.

Install ViPER4Android on Android Oreo - Give Root permissions to Solid Explorer

Install ViPER4Android on Android Oreo – Give Root permissions to Solid Explorer

The app will prompt for root permissions, grant them.

Navigate to /Vendor/etc. Find the file named “audio_effects.conf”.

Long-press on the file, then tap on the 3-dot overflow menu on the top-right and select “Rename”.

Change the filename to “audio_effects.conf.bak“. You could have simply deleted the file, but we advise you to rename it so that if you want to restore in future, it will spare you some trouble.

Install ViPER4Android on Android Oreo - Rename "audio_effects.conf" file in /vendor/etc

Install ViPER4Android on Android Oreo – Rename “audio_effects.conf” file in /vendor/etc

Just tap on “OK” and exit the Solid Explorer.

Finally, the last thing to do is set SELinux status as Permissive. We can do that easily using “The SELinux Switch” app. So, download the app and install it on your device – The.SELinux.Switch.ver.6.0.3.build.603.apk. Then launch the app, grant it root permissions, and press the “Permissive” button. If you find it troublesome, you can simply follow our tutorial.

Just reboot your device. It is very important to reboot after you have performed the above.

Step 2: Install ViPER4Android on Android Oreo

Now that you have properly setup your Android device to install ViPER4Android on Android Oreo, follow the steps below.

Download ViPER4Android for Android Oreo: ViPER4Android_FX_v2505.zip

Extract the downloaded file. You shall then have two files:

ViPER4Android_FX_v2505_A4.x-A7.x.apk

ViPER4Android_FX_v2505_A7.x_Nougat_IO_test_fix.apk

We are only going to need the latter (ViPER4Android_FX_v2505_A7.x_Nougat_IO_test_fix.apk).

Connect your device to the PC and transfer the file to it.

Install ViPER4Android on Android Oreo - Install ViPER4Android app

Install ViPER4Android on Android Oreo – Install ViPER4Android app

Now open Solid Explorer (Or any other file explorer). Navigate to the location where you placed the *.apk file and install it.

Once installed, go to the app drawer and tap on “ViPER4Android”.

As soon as the app is launched, it will prompt you for driver installation.

Just tap on “YES”. You shall instantly be asked for root permissions, so grant them.

Install ViPER4Android on Android Oreo - Driver Installation

Install ViPER4Android on Android Oreo – Driver Installation

The driver installation will begin and your phone’s screen will freeze. Don’t worry, it’s going as planned. Do not exit the app or press any buttons.

After 30-60 seconds the process will complete. Simply tap on “OK” and reboot your device.

Once your phone has rebooted, open the V4A app again and swipe out from the left to open the menu.

Install ViPER4Android on Android Oreo - Driver Status

Install ViPER4Android on Android Oreo – Driver Status

Select “Driver Status”. It should display the status value as “Normal”. You are now ready to give a nice push to your phone’s audio experience by customizing settings in the ViPER4Android app.