How to Install Custom ROM on OnePlus Nord CE 5G [GSI build]

OnePlus launched their new device called OnePlus Nord CE 5G which is powered by Qualcomm Snapdragon 750G SoC. The device features a triple rear camera setup at the back with a 64 MP main sensor and on the front, it has a 16 MP Sony IMX471 selfie camera.

Well, If you are here, then you may probably want to install the Custom ROM on OnePlus Nord CE 5G. As you read our title, yes we can guide you on installing the latest custom ROM on OnePlus Nord CE 5G based on GSI build.

When you buy a new phone, it comes with so-called stock ROM or stock firmware which basically means a pre-installed operating system. This ROM usually comes with some limited functionality defined by the OEM (phone manufacturer). Whereas a custom ROM is developed by using AOSP also known as Android Open Source Project. Yes, we all know that Android is open-source and therefore any developer can edit the code, or recompile it according to his or her need. You can read our complete article to understand the difference between Custom ROM and Stock ROM.

How to Install Custom ROM on OnePlus Nord CE 5G [GSI build]

Flashing the ROM in OnePlus Nord CE 5G is easy! All you need to do is follow the instructions carefully. If you are a newbie, then you need to understand that before flashing, you must unlock the bootloader on your OnePlus Nord CE 5G. To unlock the bootloader, follow our guide on how to unlock the bootloader on any OnePlus device.

If you already unlocked the bootloader, then you can simply follow our guide to install the custom ROM on OnePlus Nord CE 5G. Before that, let’s understand What is a GSI build.

What is GSI Stands for?

GSI stands for Generic system image which is an Android System image that can be used to replace the current installed Android version with a new one. It is a pure Android with an unmodified Android Open Source Project (AOSP) code. With Android 8.1, Google introduced the project treble support for many devices and now with Android 9.0 Pie, Google finally added the API level 28 to support Generic System Images to all app developers to install and run the latest Android GSIs on a variety of existing Android devices. To know more: Read here

How to Install Custom ROM on OnePlus Nord CE 5G

To install, as we said, you need to unlock the bootloader and must have a TWRP (to install via a  device) or a PC (to install via Fastboot). Yes, there are two methods to install the custom ROM GSI on OnePlus Nord CE 5G.


AOSP GSIs which is still marked as a pre-release. Even on a device that runs Pie GSIs nicely, it’s still possible to get broken media, camera, RIL, or even flat-out no-boot. You are strongly advised to try PHH’s original and then identify/report issues there, before moving onto other GSIs that is based on his work. Please report bugs on the same thread related to the ROM.

We’re at GetDroidTips won’t be responsible for any kind of damage or error that occurs to your handset while or after following this guide. This is a Custom ROM and may contain some of the bugs or stability issues. We can’t recommend you to use this firmware as your daily driver. Proceed at your own risk.



A only arm32 – arm avN
A only arm64 – arm64 avN
A/B arm64 – arm64 bvN
A/B arm32 – arm bvN


Download Links:

Install via TWRP Recovery:

  1. To install via TWRP, you need to factory reset your device using TWRP
  2. Go into the Wipe option and Swipe to Factory Reset.
  3. Transfer the GSI build to your OnePlus Nord CE 5G using a USB Cable.
  4. Once you have moved, you can remove your USB cable.
  5. In your TWRP, tap on the install button –> Change type to Install Image and find the GSI you have moved in the 3rd step.
  6. Confirm the flash by choosing the system partition
  7. Once it is done, you can reboot your device and wait for a few minutes to boot up.

Flash via Fastboot

  1. Download
  2. First, do the factory reset on OnePlus Nord CE 5G. There are two methods to do it, follow anyone.
    • Factory Reset When Powered On: To install without TWRP, you have to factory reset using your Umdigi A7 Pro factory reset option.
    • Factory Reset via Stock Recovery: Reboot your OnePlus Nord CE 5G into stock recovery using a button combination or ADB command.
      adb reboot recovery
    • In your Stock Recovery, navigate using the Volume UP and DOWN button.
  3. Make sure to extract the downloaded GSI build.
  4. After resetting the factory ROM, you can now boot your device into bootloader mode using the adb command adb reboot bootloader. bootloader mode
  5. Now open the extracted folder of GSI build, there, now open the command prompt window by holding the SHIFT KEY and Right Mouse click.
  6. In your command window, enter the command
    fastboot --disable-verity --disable-verification flash vbmeta vbmeta.img
  7. Now reboot back to fastboot by the following command:
    fastboot reboot fastboot
  8. To flash the system image, enter a command in the following format:
    fastboot flash system system-roar-arm64-ab-gapps.img
  9. Once it is done. Now you can formate data and reboot
  10. if stuck in bootloop then again reboot to fastbootd and wipe data and reboot

Once you are booted, you can do the following:

Go to Settings -----> Phh Treble Settings

For Volte :- IMS settings ----> Install IMS APK , Enable IMS network & Force the presence of 4g Calling

Go to Misc Features

For wired headsets to work in 3.5 mm jack enable Use alternate way to detect headphones

In display - Force FPS to 120

In Backlight - enable Force alternative backlight scale"

In Camera - enable Expose Aux cameras to enable all 3 rear camera sensors

In Others - enable force-disable A2DP offload.

We hope that this guide is helpful to you and you have successfully installed the Custom ROM on your OnePlus Nord CE 5G handset easily. If in case anything goes wrong or if you have any queries, feel free to ask in the comments below.

Credits to all the developer from XDA forum and 4PDA forum

Did you know?

You can always revert back to Stock ROM by flashing OnePlus Nord CE 5G Firmware Flash File.

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