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


If you are looking for a way to unlock the bootloader of Realme 3 Pro, then you’ve got the right place! In this guide, we are looking at the safest methods through which you can unlock your device’s bootloader.

What is Bootloader?

A Bootloader is a code which runs when we turn on our device. This code initializes some hardware and then loads the kernel and ramdisk, and gets the boot process going. So this process is known as Bootloader. The same concept applies to all the technical stuff such as Laptop, PC, Smartphones and any such device. Every Android OEM manufacturers lock the bootloader even though it is an Open Source. So if you want to try any CUSTOM ROM, it is impossible to load the CUSTOM ROM without the Unlock Bootloader. So Manufacturer made a policy of making the smartphone with Unlocked Bootloader will void the warranty. They want you to stick with 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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