How to Install Custom/GSI ROMs on OnePlus 10 Pro

In this guide, we will show you the steps to install custom/GSI ROM onto your OnePlus 10 Pro. The latest flagship from the OnePlus beholds a power-packed specs sheet with a slow of noteworthy features. However, the specs sheet doesn’t really paint the complete picture, especially if our focus is on the everyday usage experience. Talking about which, on paper, you will still be getting OxygenOS, but the reality is a stark contrast from that.

Near about entire OS now belongs to Oppo’s ColorOS, with only a few traces of OxygenOS left here and there. But if you are ready to step into the custom development, then you have the option to break these shackles and welcome a clean, stable, and revamped OS with just the right amount of features and customization options. So without any further ado, let’s show you the steps to install the custom/GSI ROM of your choice onto your OnePlus 10 Pro.

How to Install Custom/GSI ROMs on OnePlus 10 Pro

The below instructions are listed under separate sections for ease of understanding. Make sure to follow the same sequence as mentioned. Droidwin and its members wouldn’t be held responsible in case of a thermonuclear war, your alarm doesn’t wake you up, or if anything happens to your device and data by performing the below steps.

STEP 1: Install Android SDK

First and foremost, you will have to install the Android SDK Platform Tools on your PC. This is the official ADB and Fastboot binary provided by Google and is the only recommended one. So download it and then extract it to any convenient location on your PC. Doing so will give you the platform-tools folder, which will be used throughout this guide to install the Custom/GSI ROM onto your OnePlus 10 Pro.

STEP 2: Download Custom/GSI ROM for OnePlus 10 Pro

You may now grab hold of the desired GSI ROM for your device from below. Do note that you may find there different versions of some GSI. For example, in the case of Pixel Experience, one will be the normal arm64-ab, the second one will be arm64-ab-slim, and the third one will be arm64-ab-vndklite. In such cases, it is recommended to download the normal variant, i.e. arm64-ab.

Official Android 12/12L ROMs

Unofficial Android 12/12L ROMs

STEP 3: Unlock Bootloader on OnePlus 10 Pro

Next up, you will have to unlock the bootloader on your OnePlus 10 Pro. Do keep in mind that this process will wipe off all the data and might nullify the device’s warranty as well. So if that’s all well and good, then refer to our comprehensive guide on How to Unlock Bootloader on OnePlus 10 Pro.

STEP 4: Extract OnePlus 10 Pro Payload.bin

1. To begin with, download and extract the stock firmware for your device.
2. Once extracted, you will get a couple of files, including the payload.bin file.
3. So extract this payload file using our guide on How to Extract payload.bin.
4. Once the extraction is complete, copy the vbmeta.img file from there.
5. Then transfer it to the platform-tools folder on your PC.

STEP 5: Boot OnePlus 10 Pro to FastbootD Mode

1. Connect your device to the PC via USB cable. Make sure USB Debugging is enabled.
2. Then head over to the platform-tools folder, type in CMD in the address bar, and hit Enter. This will launch the Command Prompt.
   
3. Type in the following command in the CMD window to boot your device to Fastboot Mode

   adb reboot bootloader

4. Finally, type in the below command to boot your device to the FastbootD Mode.

   fastboot reboot fastboot

   

STEP 6: Delete cow Partitions

We will now have to delete the temporary cow partitions from the device so as to make space for the custom/GSI ROM to be flashed onto your OnePlus 10 Pro.

1. Download the Fastboot Enhance Tool and extract it on your PC. Then launch it via its EXE file.
   
2. Your device should be listed under the Fastboot Virtualization tab, click on it.
   
3. After that, go to the Partitions tab and type in cow in the Filter by name box.
   
4. Select all the partitions from the results that have cow in their name and hit the Delete button.

STEP 7: Flash Custom/GSI ROM on OnePlus 10 Pro

1. To begin with, extract the GSI ROM inside the platform-tools folder.
2. Then rename it the ROM file to system, so that the complete name becomes system.img.
3. Also, make sure that the vbmeta file is also present inside the platform-tools folder and your device is booted to FastbootD Mode.
4. If that’s well and good, then use the below command to flash vbmeta and hence disable the verification check

   fastboot --disable-verity --disable-verification flash vbmeta vbmeta.img

5. After that, erase the system partition via the below command

   fastboot erase system

6. Then use the below command to flash the GSI ROM onto your OnePlus 10 Pro

   fastboot flash system system.img

7. Once done, you may now boot your device to the newly installed ROM via the below command:

   fastboot reboot

That’s it. These were the steps to install the Custom/GSI ROM onto your OnePlus 10 Pro. If you have any queries concerning the aforementioned steps, do let us know in the comments. We will get back to you with a solution at the earliest.

How to Root Custom/GSI ROM on OnePlus 10 Pro

Rooting the GSI ROM is exactly similar to how you would root your device with the stock ROM. All that you need to do is download the stock firmware, extract the payload.bin, get the boot.img, patch it via Magisk and then flash it via Fastboot Commands. All this is explained in this guide, do check it out: How to Root OnePlus 10 Pro via Magisk Patched Boot.img.

How to Go Back to Stock Firmware

If the GSI ROM is not in sync with your requirement or if it is unstable and you want to revert to the stock ecosystem, then here’s what you need to do. Make sure to remove the GSI ROM file [system.img] from the platform-tools folder before proceeding ahead.

1. To begin with, download the stock firmware and extract the payload.bin file. 
2. Then copy the boot.img, vbmeta.img, and system.img files from the extracted firmware.
3. Now copy all these three files to the platform-tools folder on your PC.
4. After that, boot your device to the FastbootD Mode using the below command-

   adb reboot fastboot

   

5. Now erase the data on the system partition [the GSI ROM] via the below command-

   fastboot erase system

6. Then flash the stock firmware system file via the below command-

   fastboot flash system system.img

7. After that, re-enable the verity check by flashing the vbmeta.img:

   fastboot flash vbmeta vbmeta.img

8. Then flash the boot.img file to remove root

   fastboot flash boot boot.img

9. Finally, execute the below command to boot the device to the OS

   fastboot reboot

10. That’s it. These were the steps to go back to stock from a GSI ROM on your OnePlus 10 Pro.

FAQ: GSI ROM Bugs and Bootloop Fixes

GSI ROMs are known to go through a few bugs and issues related to network, 5G, or VoWIFI/VoLTE. In case, you also come across such bugs, then you could refer to our below-listed guides to fix them.

• 5G, Bluetooth, 90Hz Display, DT2W not working in GSI ROM: How to Fix
• No Audio in Bluetooth/Wired Headphones in GSI ROM [Fixed]
• Device not booting after flashing GSI: How to Fix
• Stuck on Bootloop after flashing GSI: Fix by Disabling DM-Verity or Android Verified Boot