What else is commendable is the fact that these devices are among the most popular names in custom development. Be it for flashing custom ROMs or recoveries or gaining administrative access by rooting your device via Magisk, there’s a lot to try out. This will then allow you to flash mods such as Xposed, Magisk Modules, Viper4Android, Substratum Themes, among others. However, this is just one side of the coin. Carrying out these tweaks do bring in a few risks. If you flash an incorrect binary or flash the correct one to the incorrect partition, then you are inviting trouble. In most cases, your device might end up in a bootloop or bricked state. Fortunately, there’s a handy way out. You could easily unbrick your OnePlus 9R by flashing the stock firmware via Fastboot Commands. And in this guide, we will show you how to do just that. So without any further ado, let’s get started.
Method 1: Unbrick OnePlus 9R via Fastboot Commands
The below instructions are listed under separate sections for ease of understanding. Make sure to follow in the exact same sequence as mentioned. Moreover, these instructions could also be used if you have a perfectly working device and just wish to revert to stock. But in those cases, then you need to unlock the device’s bootloader. 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.
STEP 2: Download OnePlus 9R Firmware
Now download your device’s stock firmware from the OnePlus official page. Once downloaded, extract it to any convenient location. You shall get a couple of files, including the payload.bin, which we will be using now to unbrick your OnePlus 9R device via Fastboot Commands. So download it and move over to the next section.
STEP 3: Extract OnePlus 9R Payload.bin File
Once you have got hold of the payload.bin file, it’s time to extract it and get the partition IMG files. These files will then be flashed to their respective partitions. So please refer to our guide on How to Extract payload.bin and get Fastboot ROM Files.
STEP 4: Transfer OnePlus 9R Fastboot ROM Files to ADB Directory
Once you have extracted the payload.bin file, you will get the required partition files in IMG format. Transfer all these files to the platform-tools folder on your PC.
STEP 5: Boot OnePlus 9R to Fastboot Mode
On the other hand, if you have a perfectly working device, then you may boot to Fastboot via the adb reboot bootloader command (after enabling USB Debugging) or using your device’s Advanced Power menu.
STEP 6: Unbrick OnePlus 9R via Fastboot Commands
That’s it. These were the steps to unbrick the OnePlus 9R by flashing the stock firmware via Fastboot Commands. 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.
Method 2: Unbrick OnePlus 9R via Fastboot Enhance
This is a tool created by XDA Senior Member xzr467706992 and beholds a slew of intriguing features, including the ability to directly flash the payload.bin file, without the need to even manually extract it first. Do note that even though this tool was created for OnePlus 8T but it should work across other OnePlus devices too. [Well, I have personally tested it on OnePlus 7T and OnePlus 10 Pro, it works well and good even on those devices].
STEP 1: Download Fastboot Enhance Tool
Download the Fastboot Enhance Tool from GitHub [direct link]. Once downloaded, extract it to any convenient location on your PC. The biggest advantage of this tool is that you could directory flash the payload.bin file, there is no need to extract it and get the resultant IMG files!
STEP 2: Download OnePlus OnePlus 9R ROM
STEP 3: Install Android SDK
Next up, 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.
STEP 4: Install Fastboot Drivers
The tool doesn’t come with the Fastboot Drivers, so you will manually have to install it on your PC. For that, please refer to our guide on How to Install Fastboot Drivers in Windows 11. Likewise, make sure to install the OnePlus USB Drivers as well [they are usually automatically installed as soon as you connect your device to the Windows PC for the first time].
STEP 5: Boot to Fastboot Mode
STEP 6: Flash Downgrade Firmware on OnePlus 9R via Fastboot
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