How to Unlock Bootloader on LG G6 H870 [Official]


Now we can officially unlock bootloader on LG G6 H870 from LG’s developer website. LG G6 comes with a locked bootloader but by following our guide on How to Unlock Bootloader on LG G6 H870. A majority of companies keep bootloaders locked, but nowadays the same companies provide official ways to unlock bootloader on a device. Same is the case here, LG G6 was launched with a locked bootloader but thanks to LG we can unlock bootloader on LG G6 H870 officially.

Unlocked bootloader is essential should you decide to root your phone, flash a custom ROM, or decide to install a custom recovery. You cannot perform any of aforementioned tasks if you don’t unlock bootloader on LG G6 H870. Therefore, if you plan to root your LG G6 or want to install a custom recovery or you desire to flash some custom ROM on LG G6 then simply follow our guide on How to Unlock Bootloader on LG G6 H870.

Before proceeding, please keep in mind that this guide is only for LG G6 H870 European version. Don’t try this guide on any other variant.


  • Make sure the ADB, Fastboot and USB Drivers are installed on your PC.
  • Enable Developer Options, to do this go to Settings > About Phone. From here tap on build number 6 to 7 times.
  • Enable USB Debugging in Settings > Developer Options.
  • Enable OEM Unlocking by going to Settings > Developer Options.
  • Backup all important data as unlocking bootloader on LG G6 H870 will delete all data.
  • Make sure your device is charged up to 60% to avoid any shutdowns during unlock procedure. This might damage your device permanently.

Unlock Bootloader on LG G6

How to Unlock Bootloader on LG G6 H870

Step 1: – First create a free LG developer’s account.

Step 2: – Next you need two things; Device id and IMEI number to unlock bootloader on LG G6 H870. To get the IMEI, you can simply type *#06# in the dialer and note it down somewhere safe. To obtain the Device id, follow below steps carefully.

Step 3: – Connect your LG G6 to the computer and the go to ADB and Fastboot directory and open the command prompt there and type the following command.

adb reboot bootloader

Step 4: – Now type in the following command, once your LG G6 boots into bootloader mode.

fastboot oem device-id

Step 5: – The above command should return similar results as mentioned below as an example.

$ fastboot oem device-id

(bootloader)—————————————————————(bootloader) Device-ID

Step 6: – To obtain official bootloader unlock key you need to put above two device ids in one single line. For example CD58B679A38D6B613ED518F37A05E013 F93190BD558261DBBC5584E8EF8789B1.

Step 7: – Now head towards LG Developer Website, log into it and click the Start Unlocking the Bootloader button.

Step 8: –  Here enter your details include your name, email ID, IMEI and device ID.

Step 9: – After entering all the details, select ‘LG G6 H870‘  from the drop down of the Phone‘ menu and click onConfirm.

Step 10: – Now you will get bootloader unlock (unlock.bin) key for LG G6 H870 on your email. Download the file and save it in ADB/Fastboot directory.

Step 11: – Enter the following command while your LG G6 in bootloader mode.

fastboot flash unlock unlock.bin

Step 12: – Now to reboot your device type

fastboot reboot

That’s it! If you have followed all the steps carefully then you unlocked bootloader on LG G6.


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