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How to Unlock Bootloader on OnePlus 9RT

In this guide, we will show you the steps to unlock the bootloader on your OnePlus 9RT device. This budget offering in the ninth series manages to checkmark most of the prerequisites and also boasts some impressive features. An AMOLED screen with a 120hz refresh rate, octa-core Snapdragon 888 chipset under the hood, and up to 12GB RAM is definitely something to cheer about. What isn’t is its decision to jump ship from the popular OxygenOS to the bloated ColorOS.

Without exaggerating facts of any sort, there is a major chunk of the userbase who have decided to finally bid adieu to this OEM, all thanks to its decision to adopt Oppo’s underlying OS skin. In China, it is already running ColorOS 12 and the Global variant might soon be part of the Unified OS. In all of this, the only silver lining is the fact that it’s still quite an active player in custom development. But to step into that territory, you will need to unlock the bootloader on your OnePlus 9RT. And in this guide, we will help you with just that. Follow along.

Benefits and Risks of Bootloader Unlocking

unlock bootloader oneplus 9rt

Unlocking the bootloader is the gateway to extract maximum benefits of Android’s open-source ecosystem. For example, you will be able to install a custom ROM or flash a custom recovery like TWRP. Likewise, you will also be able to get access to the system partition as well as administrative privileges by rooting your device via Magisk. This will then allow you to flash Magisk ModulesXposed FrameworkSubstratum ThemesViper4Android among others. Likewise, you will also be able to flash OxygenOS on top of ColorOS.

However, carrying out these tweaks brings in a few uninvited risks as well. To begin with, it will wipe off all the data and could nullify the device’s warranty as well. Along the same lines, it will degrade the Widevine L1 certification to L3, thereby preventing you from streaming content in HD [FIXED]. The SafetyNet will be triggered as well [FIXED], thereby preventing you from using banking apps [FIXED]. So if that’s well and good then let’s get started with the steps to unlock the bootloader on OnePlus 9RT.

How to Unlock Bootloader on OnePlus 9RT

The below process will wipe off all the data from your device. So please take a complete device backup beforehand. 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.

Install Android SDK

install adb platform tools windows

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.

Enable USB Debugging and OEM Unlocking

Next up, you will have to enable USB Debugging and OEM Unlocking on your device. The former will make your device recognizable by the PC in ADB mode. This will then allow you to boot your device to Fastboot Mode. On the other hand, OEM Unlocking is required to carry out the bootloader unlocking process.

unlock bootloader oneplus 9rt

So head over to Settings > About Phone > Tap on Build Number 7 times > Go back to Settings > System > Advanced > Developer Options > Enable USB Debugging and OEM Unlocking.

Boot OnePlus 9RT to Fastboot 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

    unlock bootloader oneplus 9rt

  4. Now type in the below command to verify the Fastboot Connection
    fastboot devices

  5. If you get a device ID followed by the fastboot keyword, then the connection stands successful and you may now proceed ahead to unlock the bootloader on your OnePlus 9RT

Unlock the Bootloader on OnePlus 9RT

  1. Type in the below command in the CMD window that is opened inside the platform-tools
    fastboot flashing unlock

    unlock bootloader oneplus 9rt

  2. At this point in time, you will get a confirmation message on your device. Use the Volume keys to select the Unlock the Bootloader option and hit the Power key to confirm it.
    unlock bootloader oneplus 9rt
  3. The device will undergo a reset and then the bootloader will be unlocked. Do keep in mind that the first boot might take up to a minute, this is completely normal.
  4. Furthermore, you will have to log in to Google ID and set up your device from scratch, since a wipe has taken place. That’s it.

These were the steps to unlock the bootloader on the OnePlus 9RT. 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.


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