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How to unlock the LG G5 Bootloader

After the LG G5 was officially released on the market, the official bootloader release tool was released. Our guide shows you how unlock LG G5 Bootloader through the official method prescribed by the company. Once you unlock the bootloader, you will be able to flasharerecovery custom, ROMs and even get the roots permissions on the new device. important to note that the following guide supports LG G5 variant H850, usually sold in Europe, and if you have any other model, this guide might not work.

Continue reading, we will guide you on how to unlock LG G5 Bootloader for installing custom ROMs, custom recovery or doing anything else on the phone (the most important one is getting root permissions on LG G5). Just to be clear, unlocking the bootloader will delete all the data on the phone. So make sure you back up all the data on the device.

unlock LG G5 Bootloader

Download LG G5 USB Driver

To unlock the Bootloader LG G5 you will need to connect your phone to your computer. To do this, importanteaver installed the USB drivers for LG G5 correctly on the computer. If you have not done so, you can download the latest drivers in the USB Driver section of the official LG website.

Data backup

It is always advisable to back up important data that may be needed after installing a new custom ROM, an official software update or anything else. Make a backup as unlocking the bootloader involves formatting the device's internal memory.

Some tips to keep in mind:

  1. Do you have any problems connecting your Android phone to your computer? need to enable USB debugging mode on your phone. To do this, go inSettings> Phone info> Software information and click on the build number until the word appears You are now a developer. Go back to the menu Settingsand in Developer options activate the voiceUSB debugging.
  2. Make sure your Android device's battery is charged at least 80-85%. Because, if the phone suddenly goes off during the process, you could cause permanent damage.
  3. (Important) copy all the backup files from the internal memory to the computer because the internal memory will be cleaned up and unblock the bootloader.

Now, let's proceed with the guide to unlock the Bootloader on LG G5.

How to unlock the LG G5 Bootloader

We have created a detailed guide with step-by-step instructions on how to unlock the LG G5 Bootloader. If you're used to unlocking bootloaders on all Nexus devices, then this shouldn't be different. Read each line carefully and make sure you read the guide at least once before running it on your Android device.


  • This guide for unlocking the bootloader only for LG G5 H850. Do not try this procedure on all other phone variants.
  • This tutorial was run on Windows, but anyone familiar with Fastboot on a Mac or Linux can perform this procedure.
  • Make sure you back up all the data in the phone before proceeding, as unblocking will erase all data.
  • Unblocking the downloader invalidates the warranty.


  • LG G5 H850
  • USB cable
  • Android SDK with drivers

Step 1 – Install ABD and Fastboot on your PC following this guide. Eventually you will need to have a folder called Android-adb.

Step2 – Activate the USB debug mode on the G5.

Step 3– Activate OEM unlock on your phone. Activate the "Enable OEM unlock" option because it is necessary for unlocking the bootloader. To enable OEM unlock, go to Settings >> Developer Options and select "Enable OEM unlock".

Step 4– Make sure you have a data backup. Connect your LG G5 to the PC.

Step 5– Vainella directoryAndroid-adbthat you created by following the guide to install ABD and Fastboot, hold down the Shift key on the keyboard, click with the right mouse button inside the folder and select Open command window here ...

Step 6– Now enter the bootloader / Fastboot mode on G5. Such as? Typing the following command in the Command Prompt:

adb rebootbootloader

Step 7– Get the device ID by typing the following command. The result will be similar to the format shown below.

fastboot oem device-id

Example Device ID (PC User) $ fastboot oem device-id (bootloader) (bootloader) Device-ID (bootloader) CD58B679A38D6B613ED518F37A05E013 (bootloader) F93190BD558261DBBC5584E8EF8789B1 (bootloader)

Step 8– Form a single line code from what you received in the command prompt. Such as? Remove "(bootloader)" from the sentence and also all spaces so that it looks like this:


Step 9– Visit the Official LG release page of the Bootloader. Scroll down until you see "Start Unlocking". Log in with your LG account or register if you don't have one. Once you are logged in, you will be asked for your IMEI and Device ID. We have already extracted the Device ID, now find the IMEI code by typing * # 06 # in the phone dialer. (The tool requires only the first 15 digits).

Step 10– After entering and confirming your IMEI Device ID an e-mail will be sent to you with the file "unlock.bin".Step 11– Move the file unlock.bin to the folder Android-adb.In the Command Prompt, type this command:

adb reboot bootloader

Passo13 – Once you are in fastboot mode, type the following:

fastboot flash unlock unlock.bin

Step 14 – Manually restart the phone after the flash procedure completed by typing:

fastboot reboot

This all. now unlocked the bootloader of the LG G5 device. Now you can install a custom recovery, a custom ROM or make any changes to the system.

You may also be interested in this guide on how to install LineageOS 14.1 on LG G5.