How To Unlock Bootloader of Realme 3 Pro [Official Method]


If you’re looking for a way to unlock Realme 3 Pro’s bootloader, you’re in the right place! In this section, we look at the best methods you can use to open the bootloader of your system.

What is Bootloader?

A bootloader is a application that runs when our tool is switched on. This code initializes some hardware, then loads the kernel and ramdisk, and the process of booting begins. This method is therefore known as the Bootloader. The same concept applies to all technical things like laptops, PCs, smartphones and any such device. Each manufacturer of Android OEM locks the bootloader despite being an open source. But you can’t load the CUSTOM ROM without the Unlock Bootloader if you want to try some CUSTOM ROM. So Manufacturer made a policy to cancel the warranty by making the device with Unlocked Bootloader. You want to stick to the Stock ROM. Unlock Bootloader allows you to Root your Android smartphone, Flash TWRP and Custom ROM in a simple easy method.

In this article, we talk about How To Unlock Bootloader of Realme 3 Pro. Before proceeding, please make sure to read the disclaimer below so you know exactly what you’re getting yourself into!

Keep in mind that the process of unlocking the bootloader will be referred to as in-depth test in the tutorial.

First, please read the “Disclaimer” carefully.


  • After unlocking your phone ALL OF YOUR DATA WILL BE ERASED! Backup before you proceed.
  • In-depth test may have unforeseeable impacts on your phone.
  • Some functions may not operate properly because of third-party firmware, such as the photo-taking function of the camera. It may also cause device damage.
  • Personal and confidential information on phone may leak, and security may be compromised.
  • In-depth test may modify some of the system functions, and prevent you from updating the system version to enjoy the latest ColorOS.
  • After unlocking Widevine L1 will be replaced by Widevine L3.

What You Need?

  • realme 3 Pro – with 60%+ battery
  • USB Cable
  • PC / Mac

How To Unlock Bootloader of Realme 3 Pro

Step 1 : Make sure you have backed up your data, unlocking your phone will erase all of your data.

Step 2 : Make sure your system version is the official and latest one.

Step 3 : Download and Install the Unlock Tool apk on your phone by clicking here.

Step 4 : Follow the detailed steps below to unlock the bootloader.

1. Open Unlock Tool

2. Click “Start Applying”

3. Please read the disclaimer in detail, select the checkbox, and submit your application.

4. The application will be checked by Realme’s servers.

5. Within approximately 1 hour, the unlock tool apk will show the status of the unlock request – if it shows the unlocking is successful, please proceed to the following step.

6. You can now click “Start the in-depth test” and the device will reboot automatically. The following string will display on the screen: fast boot_unlock_verify ok

7. Download and install the fastboot tool on your PC or MacBook (check this, use a cable to connect phone and PC. In Fastboot mode use engineering command in the picture below to unlock

8. On your phone, Press the Volume Up Key to select “Unlock” (or press the Volume Down key if you have changed your mind to select “Do not unlock bootloader”).

– Enter the command: adb reboot bootloader
– Press “Enter”on your keyboard
– Enter the command: fastboot flashing unlock
– Press “Enter”on your keyboard

9. When you click the Volume Up, you will enter the new interface showed below.

Then enter command “fastboot reboot”. Then phone will reboot and enter the in-depth test mode – all user data on the phone will be erased.

Congratulations, You’ve successfully unlocked the bootloader on your Realme 3 Pro! Now you can enjoy all the features like being able to install custom ROMs, root your device, play around with various mods and so much more! If you have any queries regarding the article, then do let us know down below, we’d be happy to assist you through your procedure.

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