In this tutorial, we will show you how to install the Android 11 on OnePlus 3 / 3T. Well, this is a custom ROM based on the latest Android 11 AOSP source code. To install this firmware on your OnePlus 3 / 3T, you need to unlock the bootloader and should have TWRP on your phone.

Android 11 and It’s Features

Well, Android 11, Google’s 11th iteration looks similar to Android 10 but with a handful of new features and changes. The update brings notification history, Chat bubbles, Conversation notifications, screen recorder, new media controls, smart device controls, one-time permission, improved dark theme with the scheduling system, app suggestions, wireless android auto, and many more. For more, check out our article Android 11 supported list, Android 11 Custom ROM list, best Android 11 features, and many more.

Also Read

Download and Install Lineage OS 19.1 for OnePlus 3 and 3T (Android 12)

How to Install AOSP Android 11 on OnePlus 3 / 3T

With such a long list of goodies to offer, no doubt you will want to try out the AOSP Android 11 on OnePlus 3 / 3T. But before we list out the installation steps, please go through the prerequisites section. Make sure your device meets all the mentioned requirements. After this, go through the working features and the list of known issues present in this ROM. Once you have gone through all the requirements section, you may then proceed with the installation steps.

Prerequisites

  • Tested only on OnePlus 3 / 3T
  • First and foremost, create a complete device backup.
  • Next time, enable USB Debugging on your OnePlus 3 / 3T. This will make your device recognizable by your PC in ADB mode. So head over to Settings > About Phone > Tap on Build Number 7 times > Go back to Settings > System > Advanced > Developer Options > Enable USB Debugging.
  • Your device also needs to have the bootloader unlocked. If you haven’t done so, then refer to our detailed guide on How To Unlock Bootloader On OnePlus 3 / 3T [Official Method].
  • Next up, you will also need to install the TWRP Recovery on your device. This will be needed to flash the AOSP Android 11 on your OnePlus 3 / 3T. You could refer to our comprehensive tutorial on how to Install TWRP Recovery For OnePlus 3 / 3T.

Download AOSP Android 11

Before you download the firmware file, there is a pretty important worth mentioning. You should only use the proper vendor and firmware of your device of stable ROM. On that note, we would like to thank XDA Senior Member SKULSHADY for this ROM.

Once you have downloaded the above files, transfer it to your device. Then proceed with the below steps to install AOSP Android 11 on your OnePlus 3 / 3T device.

Downloads

LineageOS 18.1: XDA Development page

AospExtended ROM V8.3: XDA Development page

HavocOS 4.0 Custom ROM: Mega / Drive | Latest ROM: XDA Development page

ArrowOS 11.0: Download | Latest ROM: XDA Development page | Credits to Gaurav24

DerpFest 11.0: Download | Latest ROM: XDA Development page | Credits to Gaurav24

HavocOS 4.0: Download | Latest ROM: XDA Development page | Credits to Gaurav24

Pixel Experience 11.0: Download | Latest ROM: XDA Development page | Credits to Gaurav24

MSM Xtended XR v2.0: Download | Latest ROM: XDA Development page | Credits to SuperDroidBond

Download Android 11 Gapps

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Install AOSP Android 11 on OnePlus 3 / 3T

  • Connect your device to PC via USB cable. Make sure USB Debugging is enabled.
  • Then head over to the platform-tools folder, type in CMD in the address bar, and hit Enter. This will launch the Command Prompt.
  • Execute the below command in the CMD window to boot your device to TWRP Recovery:
  • adb reboot recovery
  • Now head over to the wipe section and format system, data, and cache. Perform a right swipe to complete the format.
  • TWRP Home
  • Its now time to flash the AOSP Android 11 ROM onto your OnePlus 3 / 3T. For that, head over to Install, select the AOSP ROM ZIP file and perform a right swipe to install the file.
  • If you want Google Apps as well, then you need to flash it at this instance itself. Go to Install, select the GApps ZIP file, and perform a right swipe to flash this file.
  • When that is done, you may reboot your device. Head over to Reboot and select System.

Your device will now boot to the newly installed OS. With this, we conclude the guide on how to install the AOSP Android 11 on OnePlus 3 / 3T. Do keep in mind that the first boot might take up some time and you might have to set up your device from scratch.

Warning

adb reboot recovery

TWRP Home

Furthermore, Once you have installed the ROM, do share your opinions about the same in the comments section. Rounding off, here are some iPhone Tips and Tricks, PC tips and tricks, and Android Tips and Trick that you should check out as well.