OctaviOS is an AOSP based rom focusing on Unique and Smooth UI with handy features. OctaviOS is a reborn of pie based PearlOS. Every year, Google also announces major new features of the OS at its I/O developer conference. Today We Guide ” Download and Install OctaviOS 3.0 for Nokia 8.1 (phoenix_sprout) with Android 12.”

Whereas if you wonder why we need a custom ROM if we already have the manufacturer’s OS. However, there is always specific lifeline support from manufacturing and delays on the latest Android upgrade rollout. Several people were excited to experience the latest Android Version.

Download and Install Android 12 for Nokia 8.1 (phoenix_sprout)

OctaviOS 3.0 finally extended the support for some new devices, including the Nokia 8.1 (phoenix_sprout). Today we will help you with this Complete guide to download and install OctaviOS 3.0 for Nokia 8.1 (phoenix_sprout) with Android 12. Download Android 12 for Nokia 8.1 (phoenix_sprout).

Noteworthy: OctaviOS 3.0 for Nokia 8.1 (phoenix_sprout) with Android 12

This guide helps you to enhance your android experience with OctaviOS 3.0. We will share your complete guide alongside the download link. Even we also mention the requirements and steps to the installation process.

Download Android 12 based Custom ROM for Nokia 8.1 (phoenix_sprout)

Your device must have the bootloader unlocked, and you have installed the TWRP Recovery. If you have done that, Let downloaded and installed OctaviOS 3.0 for Nokia 8.1 (phoenix_sprout).

Do at your own Risk
AndroidGreek doesn’t take any responsibility for any error/Damage/Lossing data on your Nokia 8.1 (phoenix_sprout). You are responsible for any mistake and following flashing guide the files. Some functions don’t operate properly and can cause serious damage to your device. Eve, the Widevine L1 support will be replaced by Widevine L3

Basic Pre-Requirements

  1. Charge your phone up to 85% or 75%.
  2. Download and install the latest Asus USB Drivers
  3. Enable the USB Debugging on your Nokia 8.1 (phoenix_sprout).
  4. Download and Install Adb and Fastboot Driver: HOW TO INSTALL ADB AND FASTBOOT


Download ROM (OctaviOS 3.0 )
Download Here
Download TWRP Recovery Download Here
Download Vbmeta.img Download Here

How to Unlock Bootloader on Nokia 8.1 (phoenix_sprout)

  1. Start with Enabling Developer mode On Nokia 8.1 (phoenix_sprout)
  2. Open the settings on your Mobile, and select “About.”
  3. Tap seven times on “Build number.”
  4. Go Back to Settings, And Search “Developer option,” and Open It.
  5. Now, Enable OEM Unlock and power Off your mobile.
  6. Now, open your smartphone into a Download mode by pressing and holding the volume down button and power button.
  7. Enter the following command to reboot into bootloader mode.
    “adb reboot bootloader.”
  8. Now perform the command below to unlock the bootloader of Any Lenovo Smartphone.
    “fastboot OEM unlock” Or “fastboot flashing unlock.”
  9. Now, press Volume Up to unlock the bootloader.
  10. After that, Restart your Mobile.

How to install TWRP on Smartphone

  1. First, Switch Off your Smartphone
  2. Open your Mobile Fastboot
  3. Using power off your device and then hold the Volume Down + Power button
  4. Now, Open the ADB folder on your PC and Laptop.
  5. Then, select the “Address Bar” in the ADB File and type “Cmd” after hitting the enter button. Alternatively, pressing Shift + Right Key and Select open Power shell Window Here.
  6. Now, follow these Command in Terminal
  • adb Reboot Bootloader
  • Fastboot Devices
  • Fastboot Flash Recovery “TWRP filename.img” and Hit Enter
  • Then After Type “Fastboot reboot” and Hit Enter.

Congratulations, you have successfully installed the TWRP File on your Smartphone.

Must Use: Codes if not installed TWRP Recovery  (Try this)

fastboot erase system
fastboot erase userdata
fastboot erase vendor
fastboot erase boot

fastboot flash vbmeta --disable-verity --disable-verification vbmeta.img
fastboot flash system_a system.img
fastboot flash system_b system.img

fastboot flash boot_a boot.img
fastboot flash boot_b boot.img

fastboot flash vendor_a vendor.img
fastboot flash vendor_b vendor.img

fastboot flash boot twrp.img

Here is the guide to Install OctaviOS 3.0 follow the instructions:- Quick Guide 

  1. You need to Reboot your Device in TWRP Mode.
    • For Recovery
      First, Power off your device, hold the Volume Down + Power button and then navigate using the volume rocker.
  2. In TWRP Mode, you need to Wipe cache, Data, and Dalvik cache. [Note: you don’t have to wipe the Vendor] (If you format instead of wipe cache, you have to reboot the recovery, or you might get an error/issue.)
  3. Now, Click Install and Navigate OctaviOS 3.0 custom ROM and After Flash it on your devices.
  4. After that, Again Click to Install Button and Flash Android 12 GApps (If you Need Google Apps then Flash it)
  5. Reboot your device once installations are successful.
  6. That’s it, and You can now enjoy the Android 12 OctaviOS 3.0.

FAQ (Frequently Asked Question)

Google has recently released there Android 12 major updates that come with various functionality. Therefore, The latest Android 12 based custom skin start building and the OctaviOS 3.0 are among the most popular custom ROM. Currently, OctaviOS 3.0 is available for 30+ Mobile devices so far, and there was a lot of
the developers have developed an unofficial custom ROM.

When OctaviOS 3.0 has been available to download?

Official OctaviOS 3.0 has been available to download with Android 12 based featured in many devices available for the individual builds mentioned in this article.

When my device is to get an update with OctaviOS 3.0?

It takes time because OctaviOS 3.0 has been build by individual developers, not like stock ROM or developed by OEM. Therefore, there was some selected device  OctaviOS 3.0 has been available throughout as the time extends.

What are Add-On DOwnloads

There were a few applications that you need to download, such as GApps (Google Application). Furthermore, the Android 12 based custom ROM OctaviOS 3.0 allow needing to root, which you can do using TWRP. Not to mention, It also gives you the power to use the Google Camera on your smartphone so far.

What if OctaviOS 3.0 is not available to download.

You can download another version of OctaviOS 3.0, and there were many options such as Pixel Experience, RevengeOS ROM.

Hopefully, We believe you have successfully installed OctaviOS 3.0 on your Nokia 8.1 (phoenix_sprout). Thanks for being with us. Don’t forget to share the bugs, so we can share with developers to fix those issues in the comment section below.