How To Unlock Bootloader On European LG G5 (H850)

In this guide, you will learn How to safely Unlock Bootloader On European LG G5 (H850).The guide is officially available by LG.Here we will be using ADB & Fastboot command.Just follow the given steps carefully to Unlock The Bootloader Of European LG G5 (H850).It is a very simple and easy process

The LG5 is the latest Flagship phone from LG for 2016.It is the successor to the LG G4.It comes with a new all metal body and a modular design.The device is powered by a quad-core Snapdragon 820 processor coupled with 4Gb of RAM.It sports a 16 MP rear camera.It has a 5.3-inch quad-HD screen and a micro SD card slot for memory expansion.

If you want to root your device or want to install custom ROMs then unlocking the Bootloader Of any android device is the first thing to do.You can Flash modified system, boot, kernel, custom recovery(TWRP/CWM) or other .img files on your device.

Nowadays it is very simple to unlock the bootloader of android devices.Companies like Sony, Motorola, Huawei and other OEMs officially allow users to unlock the bootloader on their devices. You have to first get a unlock password from the manufacturer Website, then you can easily unlock the bootloader by issuing few ADB & Fastboot command.This article will guide you to Unlock Bootloader On European LG G5 (H850)

Related Post:How To Install TWRP Recovery & Root LG G5 H850

Here we will be using a windows computer, so make sure you have one.

Note: Unlocking bootloader will completely wipe your device’s data(Everything like music, photos, videos & apps).So we highly recommend taking backup of your important data.

Warning: will not be held responsible for any kind of damage occurred to your LG G5 H850 while following this tutorial.Do it at your own risk.

Important & Pre-Requirements

*Make sure there is at least 60% battery left on your smartphone before begin started this process

→This guide is only for European LG G5 H850 don’t try on other variants

  • Install USB Drivers on your computer. (LG USB Drivers)
  • Enable Developer Options in the Settings application of your LG G5. To do so open Settings app >About Phone> Software Info, then tap Build Number 7 times. This will give you a toast notification saying “You are now a Developer.
  • Enable the option that says USB Debugging from developer option.You will also have to enable the option that says Enable OEM Unlocking,which can also be found in the Developer Options as well.
  • Setup ADB and Fastboot on your PC. (For Windows)
  • How to Install ADB and Fastboot on Mac or Linux

→ Unlock Bootloader On European LG G5 (H850)

How To Unlock Bootloader On European LG G5 (H850)

Step By Step Guide

How To Unlock Bootloader On European LG G5 (H850)

→ First read the Pre-Requirement section carefully.

  • Connect your device to the PC then type the following command to Reboot your device into Bootloader mode:
adb reboot bootloader
  • Now check the device id by issuing the following command in the command prompt:
fastboot oem device-id

This command will return a string.(this is the Device ID will be used to the generate unique bootloader unlock key for your device).Check the below example

Example :

$ fastboot oem device-id
(bootloader) Device-ID
(bootloader) CD58B679A38D6B613ED518F37A05E013
(bootloader) F93190BD558261DBBC5584E8EF8789B1
  • To generate the Device ID you will have to combine two output continuous string and copy that.For the above example Device ID would be:


  • Now login to LG developer website.Once you have logged into the LG Developer’s website head over to this link.(if you don’t have an LG account Register yourself at the link provided)
  • From the menu, scroll down and click the Start Unlocking the Bootloader button.Accept the legal term.
  • Now enter the first 15 digits of your phone’s IMEI number. You can view the IMEI number by entering *#06# on your phone
  • Now click the Confirm button.If you have done everything correctly, the bootloader Unlock key will be sent to your email.
  • Download and paste in the Fastboot and ADB folder
  • Now unlock the bootloader by entering the following command in the command prompt:
fastboot flash unlock unlock.bin
  • Now issue the following command to reboot your device
fastboot reboot
  • Done!!!!Your device bootloader is now unlocked.

Now follow this guide to Install TWRP recovery and Root European LG G5 (H850).Guide >>How To Install TWRP Recovery & Root LG G5 H850

If you have any question related to this post feel free to leave that in the comment section

Source Xda by autoprime

Dibyashree Sharma
Dibyashree Sharma
Dibyashree Sharma graduated in Computer Science from NIT Rourkela. For the past eight years, she has been blogging about Android, which she is really passionate about. She has built a good reputation as a reliable source. Away from the digital sphere, Dibyashree enjoys playing tennis, a sport she is as passionate about as she is about technology.

Comment (1)

Leave a Comment