by Editorial Staff


How to Unlock Bootloader Opal G2 with Fastboot Method.

The Bootloader is a code that always runs when someone power on its device. Some hardware starts automatically and gets the boot process then loads the kernel and ramdisk. That is the Bootloader. It allows you to Root your Opal G2, Flash TWRP, and Custom ROM in a simple easy method.

Bootloader Advantages

  1. You can install any custom ROM like Lineage OS, Resurrection ROM, etc.
  2. You can also root your device.
  3. Install a custom recovery like TWRP.

Opal G2 Bootloader Disadvantages

  1. After unlocking the bootloader, it voids the warranty of your device.
  2. You will no longer receive the official OTA updates.
  3. You can brick your device if you do not follow the steps carefully.


  1. You need a PC/laptop
  2. Make sure that your Opal G2 is charged more up to 70%
  3. You need a Micro USB cable to connect your phone with PC
  4. Now download ADB and Fastboot Tools and Extract them in your PC
  5. Download Opal G2 USB Drivers

On this page, you will learn how to unlock the bootloader on your Opal G2. Using the bootloader you can install custom ROM, custom recovery, custom kernel, and flash the factory images, etc. The bootloader will help you to unlock your device legally binding, but it will affect the device warranty. Opal doesn’t allow you to unlock the bootloader. Mostly Android OEM manufacturers lock the bootloader, if you want to install any CUSTOM ROM, you must need to unlock the bootloader of your G2. It will void the warranty.

ADB and Fastboot tools Enable USB Debugging,

Opal G2 Unlock The Bootloader Quick 10 Steps

  1. Firstly, you need to enable the Developer Options on your Opal G2.
  2. Go to Settings->>About Phone->> and press the Build Number 6 to 7 times until you see a pop message that shows you “You are now a developer”.
  3. Into the Developer Options, now you need to Enable USB Debugging, and the OEM Unlock Option.
  4. After that, again head to the Settings>>>>Developer Options>>>>enable USB Debugging and OEM Unlock.
  5. Download and setup the ADB and Fastboot tools on your Computer.
  6. Now, connect your G2 to your Laptop/PC using a USB cable.
  7. Now, you should wait until all the USB drivers installed on your computer.
  8. Now open the CMD or command prompt and go to the same folder, where you have extracted the contents of the ADB and Fastboot tools.
  9. After that, type the below command into the command prompt area and press the Enter button;
  10. You will see a popup message on your smartphone such as “Always allow from this computer”. Now You can press the OK button.
  11. You should type the below command to enter the bootloader mode, and press Enter; button on your keyboard.
  12. Now, type this commonds: "ADB reboot bootloader"
  13. Now, you must enter the below command so your G2 and you will reboot into Fastboot mode;
  14. Also, type this commond: "Fastboot flashing unlock"
  15. Now, enter again your device into the Fastboot mode using the Volume Down + Power button together.
  16. After that, enter the this command; "Fastboot flashing unlock_critical"
  17. That’s It! You have successfully unlocked the bootloader of the Opal G2 device.

Read Me Once

The Bootloader unlocking process will affect your Opal G2 phone data like images, videos, and files. We advise you before start unlocking bootloader you need to create a backup and save it in a safe location.