How To Unlock Bootloader On LG G6 H870 European Variant

What is a Bootloader?

A bootloader is a program that runs when you power on your device. It initializes the hardware, loads the kernel and ramdisk, and starts the boot process. This concept is not unique to smartphones but applies to all technology, including laptops and PCs. Most Android device manufacturers lock the bootloader to prevent unauthorized modifications, even though Android itself is an open-source platform. Unlocking the bootloader allows you to install custom ROMs, root your device, flash TWRP recovery, and make other modifications that are otherwise impossible. However, unlocking the bootloader will void your device’s warranty, as manufacturers want you to stick with the stock ROM.

Prerequisites

• Battery Charge: Ensure your phone is charged to at least 70%–80% to avoid any interruptions during the process.
• Warranty Disclaimer: Unlocking the bootloader will void your warranty.
• Data Backup: Unlocking the bootloader will wipe all data on your device, so make sure to back up everything important before proceeding.
• Follow Instructions Carefully: Follow each step carefully. Skipping steps or incorrect execution may damage your phone, and we are not responsible for any such damage.

What You Need

• Minimal ADB Tool: Download here or you can choose to download the Full ADB setup for Windows/Mac.

Steps for Easy Method to Unlock Bootloader on LG G6 H870

1. First of all, enable the Developer Option.
2. To Enable the Developer Option, Go to your Settings -> About Phone -> Now Tap on the Build Number 7-8 Times until you see a toast message “Developer option enabled“
3. Now you need to enable the OEM Unlock by going to Settings -> Developer Option and Enable OEM Unlock.
4. Download the Minimal ADB or Full ADB Zip and install/Extract it on your computer.
5. Now note down the IMEI No of your device by dialing *#06# (Make sure note it down)
6. Turn off your phone, now boot your phone into Bootloader by pressing Volume Up + Power Button Simultaneously. Now you will see a fast boot/bootloader
7. Now go to the folder where you have extracted the ADB and Fastboot Tools.
8. Plug the phone into PC using USB Cable, then open a command prompt window by pressing Shift Key + Right Mouse Click.
9. Now turn your phone into bootloader -> Turn off your smartphone – Press and Hold Power and Volume UP button – You will see Fastboot mode – or else, you can type the command if your device is in ADB mode. ( phone should be turned on and connected to PC via USB Cable.)

   adb reboot bootloader

10. If you are booted into fast boot, type the command below in CMD screen.

    fastboot devices

    

11. This command will list the connected devices. If your phone serial number shows up you are good to go and may continue. If the phone is NOT listed this indicates that your drivers or cables are not installed correctly. if you want to continue, you mt first fix your problem.
12. If the phone has been recognized by the command above, proceed to unlock the bootloader. Remember, this step will wipe EVERYTHING off the phone. Take backup. In your command window, type

    fastboot oem unlock

13. This fastboot command will return unlock to verify type, So now enter the below command :

    fastboot getvar unlocked

14. It will proceed further with YES or NO.
15. Now you can reboot the Bootloader to confirm

    fastboot reboot-bootloader

16. Click Enter, and That’s it! Voila.! You have an unlocked bootloader!
17. You have completed How to Unlock the Bootloader on the LG G6 Variant.
18. Now, to reboot your phone, Type the command below.

    fastboot reboot

If you want to re-lock the bootloader on LG G6, please enter the command “fastboot oem lock” in the command window. That’s it! I hope you have successfully unlocked the bootloader on LG G6 H870 variant. If you have any feedback or comments, please share them below.