LG G4 Quick Start Manual page 2

There is no turning back once you have unlocked the bootloader. You will not be able to revert your phone to
locked status.
Unlocking the bootloader could cause unexpected side effects.Therefore, we strongly recommend
that you do not unlock the bootloader without understanding of all the risks involved. If you still
want to unlock the bootloader and understand the potential result of doing it, then we confirm that your device
can be unlocked and you should proceed with the following unlocking Instructions:
- For a complete list of supported devices, see
- For step by step unlocking instructions, see
Supported Devices
The following devices will support unlocking the bootloader:
• G4 (H815) for the EU open market
We will add more devices with unlockable bootloaders unlocking permission progressively.
How to Unlock the Bootloader
Take the following steps to unlock the bootloader on your phone and to download Customized kernel and
android binary:
1. Click Starting Unlocking the Bootloader at the bottom of this page to start the bootloader unlock process.
If you are not logged into your account, we ask that you log in.
2. Legal Terms will be displayed on your screen. After reading the terms, if you would like to continue to unlock
the Bootloader, then click I Accept.
3. Your name and email address will be displayed. Check your name and email address. If you want to change
your email address, click Change. You must verify your new email address after changing it.
4. Enter the first 15 digits of your phone's IMEI number. You can view the IMEI number by entering *#06# on
your phone or selecting the Settings >> About phone >> Status >> IMEI menu.
5. Download and install the latest Android SDK (adb.exe, AdbWinApi.dll, fastboot.exe) from
developer.android.com
6. Create a new folder (for example: C:\tools) and copy the following three files to the new folder:
• Adb.exe
• AdbWinApi.dll
• Fastboot.exe
You can find these three files from: sdk\platform-tools
7. Enable USB-Debugging on your phone. USB-Debugging is required for the commands "adb" and "fastboot" to
work. To enable USB-Debugging, go to Settings >> About phone >> Software info and tap Build
number 7 times. Return to the previous screen, select Developer options and enable USB-Debugging.
'Supported Devices'.
'How to Unlock the Bootloader'.