Custom ROM

Install Android 9.0 Pie on OnePlus 3T – ArrowOS

If your device already old and does not get an official update from the manufacturer, or you want to Get The Latest Version of Android. in this article, will explain how to Install Android 9.0 Pie on OnePlus 3T – ArrowOS.

Android is open source can be modified by the developers of the world, these developers develop ArrowOS Custom ROM to replace the pre-installed version of Android on your OnePlus 3T.

Custom ROM is just a modified version of stock ROM which developed by professional developers in the field of android, ROM is completely changing the system of the OnePlus 3T with the addition of more features such as the improved battery, better performance, Add Additional Features and System Tweaks, Eliminate Bloatware, faster smartphone, and updates to the latest Android versions on your OnePlus 3T

OnePlus 3T was launched in November 2016, The phone CPU powered by Quad-core 2×2.35 GHz & 2×1.6 GHz Qualcomm Snapdragon 821, and it comes with 6 GB RAM and 64/128 GB on internal storage, OnePlus 3T comes with Primary camera 16 MP and 16 MP in front, and powered by Non-removable Li-Ion 3400 mAh battery, In this new tutorial, you will learn how to Update OnePlus 3T to Android 9.0 Pie – ArrowOS.

Read also: How To Update OnePlus 3T to OxygenOS 5.0.5

Install Android 9.0 Pie on OnePlus 3T – ArrowOS


Save all your personal data (SMS, contacts, applications, documents, music, photos, etc.).

Before you begin updating your OnePlus 3T smartphone, it is important to have all the tools at hand:


Update OnePlus 3T Using TWRP Recovery

1- Install TWRP of your OnePlus 3T, tutorial:   Install TWRP and Root OnePlus 3T

2- Download the Android 9.0 Pie ROM and copy it to the internal storage.

3- Now reboot the device into the TWRP recovery:

  • Power off your OnePlus 3T
  • Hold volume down + power button, The phone should boot into recovery mode

4- Click Wipe and scroll down and choose Advanced wipe and swipe to confirm Wipe.

5- Clic Install and  scroll down & choose Android 9.0 Pie ROM and swipe to confirm flash

6- Click Install and scroll down and choose GApps package and swipe to confirm flash.

7- Once the installation is finished, click on “Reboot System” to reboot your phone.

8- That’s it ! you have successfully Install Android 9.0 Pie on OnePlus 3T – ArrowOS.

Read also: Install Nitrogen OS Beta on OnePlus 3T – Android 9.0 Pie

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Joe abouza

abouza Youssef, tech blogger, Nationality Moroccan, I am 29 years old. I live and work in france. I love blogging and i am interested in everything new in the world of technology.

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