How to Unlock Bootloader on LG G6 via KingoRoot


A bootloader, also called a bootmanager, is a small program that places the operating system of a computer into memory. Bootloaders basically package the instructions to boot operating system kernel and most of them also have their own debugging or modification environment. As the bootloader runs before any piece of software on your device, it makes it extremely processor specific and every motherboard has it’s own bootloader.

Each Android has a bootloader and all Android phones have different custom ROMs developed due to high variance of processing hardware present on the device. LG G6 was released recently. Powered by a non-removable Li-Ion 3300 mAh battery, the smartphone runs Android V7.0. Many users owned LG G6 may like this smartphone very much. The smartphone has a very large touchscreen display of 5.7 inches with the resolution of 1440 x 2880 pixels.

The LG G6 runs LG UX and 6.0 UI. While, the default UI and UX of phones are not exactly whta you can consider as aesthetically appealing or easy to navigate with. In fact, each user has his own preference when it comes to the interface of their device, but it is not possible to make tweaks. In order to make tweaks or root you LG G6, the first thing you should do is to unlock the bootloader.

Before Unlocking the Bootloader of LG G6

  • Device is powered on.
  • Battery level should be at least 50%
  • USB data cable (the original one is recommended)

How to Unlock the Bootloader on LG G6

Step 1: Backup important data

The unlocking process will sweep of all the data of Android. So it is important to backup your precious data. Backup everything you want to keep, then continue to the next step.

Step 2: Free Download KingoRoot

KingoRoot is the best and easiest root tool for free. Here KingoRoot is not used for rooting but an alternative to Android SDK and USB driver. The KingoRoot includes the Android SDK and will download the LG USB driver automatically once connected to the PC.

  1. Free download the KingoRoot to the PC.
  2. Install the KingoRoot.
  3. Connect the device to the PC via an USB cable.
  4. Enable USB debugging. If you fail to connect you device to PC, please refer to Device Not Connected.
  5. Find the icon of KingoRoot and launch it. After launching the KingoRoot, the PC will download the USB driver of your device automatically. Always connect the computer.
  6. Find the folder of KingoRoot where you install it, double click to open the folder of "Kingo ROOT". Then open the folder of "tools" under the folder of "Kingo ROOT".
  7. Input the letters "cmd" in the "address bar", and enter.
  8. The PC will pop-up a Command Prompt window, then run the command: adb devices
  9. If it shows a serial number, your device is recognized and you can continue with the process. Otherwise, ensure you’ve performed the above steps correctly.

Step 3: Get an Unlock Key.

  1. Head to your manufacturer's bootloader unlocking page - LG unlocking page, create an account and then log in.
  2. Run the command: adb reboot bootloader in the Command Prompt window. The device will boot into fastboot mode. Always keep the connection.
  3. Use the Command Prompt window to retrieve your unlock key as described by LG : fastboot oem device-id.
  4. Select the token which is spit out by the Command Prompt window and copy and paste it into the applicable box of the form on your manufacturer's website without any spaces. An example:
  5. Example Device ID (PC User)$ fastboot oem device-id

    (bootloader)-----------------------------------------------------------------

    (bootloader) Device-ID

    (bootloader) CD58B679A38D6B613ED518F37A05E013

    (bootloader) F93190BD558261DBBC5584E8EF8789B1

    (bootloader)-----------------------------------------------------------------

  6. Submit the form and wait for an email with a key or file that you will use in the next step.

Step 4: Unlock your bootloader of your Android device.

Here comes to perform the unlocking process. If you haven't interrupted the connection and your phone still in the fastboot mode ( If your device isn't in the fastboot, then repeat the step 2 or just hold the "Volume Down" and "Power" button for 10 seconds before releasing in order to make the device being in the fastboot mode.

  1. Enter fastboot flash unlock unlock.bin in DOS command window. “unlock.bin” is the bootloader unlock key you received in the email.
  2. Reboot your device by running command fastboot reboot or using the "Volume" buttons to reboot.

The device will show a message at boot stating that your bootloader is unlocked. With an unlocked bootloader you will be allowed to root your Android, flash a custom recovery or install a custom ROM.