How to Unlock Bootloader LG V20 (VS995, H910, F800L, LS997).

Unlock Bootlaoder LG V20. We know that LG released LG V20 versions, This product has many versions, where each version need a special trick to unlock its bootloader. We know, by default the bootloader on LG device is locked, it prevents user to install or flash custom ROM, or flash zip file contain root script or contain custom recovery. This guide will show you how to unlock the bootloader on LG V20 with the following versions only :

• LG V20 for Verizon VS995, 
• LG V20 for ATT H910, 
• LG V20 for Korean F800L, 
• LG V20 for Sprint LS997

Never try this guide on the other LG V20 versions except mentioned above. 

This method use fastboot to unlock the bootloader on LG V20, Before we proceed this guide, we would appreciate to the me2151 developer on this threat.  

Follow this guide only if you understand what will you do, following this guide will replace your current bootloader with a debug bootloader, don't try to attempt to re-lock this bootloader. otherwise, you may brick your LG V20 device. There isn't no way to revert to stock. So be careful and do it with your own risk.

Unlock Bootloader LG V20

Warning.

1. Unlock LG V20 will void any LG warranty. guidebelajar shall not be responsible or liable for any loss or bricked device.
2. Once your LG V20 device is locked, your device may cause unexpected side effects that may include but are not limited to the following:
• LG V20 may stop working.
• There are certain features and functionalities may be can't run properly.
• It will cause overheating and make your LG V20 physically damaged.
• All data, file, installed App will be wiped or deleted, we recommend to backup it first. 
• Your LG V20 no longer get FOTA (Firmware Over The Air) update.

Prerequisites.

1. TWRP-3.0.2-1-us996.img Here
2. V20-root.zip Here
3. Terminal Emulator. Install this app to your LG V20 device. Here
4. The latest SuperSU Here
5. for Sprint version LG V20 (LS997) only.

• LS997-deODEXd-signed.zip Here

6. Install ADB and fastboot to your computer, ADB and fastboot for windows or mac available here. extract all file at the same folder. for example c:\adb

Unlock Bootloader.

1. Extract or unzip V20-root.zip to the specific computer folder.
2. Then copy all file to the V20-root folder.
3. Then put all file above at active ADB directory as mentioned above.
4. Open a command prompt from ADB and fastboot directory, how to do it?
• Press and hold the shift button and right click mouse at empty or blank space.
• Then select Open command window here.
5. Now connect your LG V20 to the computer, then type the following command to verify your LG V20 phone.
• fastboot devices
6. On the next step,
• Windows
• Double click to open RUNMEFIRST.bat
• Don't close this windows Log.
• Now, double click again Step1.bat
• MacOs/Linux
• "#" Signifies a comment below ;
  

  ./RUNMEFIRST.sh
  # OR
  bash ./RUNMEFIRST.sh

• Then, Open a Separate Terminal, then type:

./Step1.sh
# OR
bash ./Step1.sh

7. You will see two permission denied when you run The sh or Bat files, Don't be panic about it. these files are ;
• Flatland64
• Flatland
8. Now, wait for a shell prompt, 
• then type the following command.

run-as con
chmod 0777 /storage/emulated/0/*

9. Then, open the terminal emulator on your LG V20 device. Then type this ;
• code

id

• Make sure context=u : r : untrusted_app appear on the screen. (if this doesn't appear you can repeat this step from early step).



terminal emulator - untrusted_app

10. Now type the following command at emulator.

applypatch /system/bin/atd /storage/emulated/0/dirtysanta

11. See the RUNMEFIRST dialog, if this dialog says you to run Step2, now following the next guide below.
• Windows.
• Double-click to open "Step2.bat"
• MacOs.
• type

./Step2.sh
# OR
Bash ./Step2.sh

12. Once step 2 is completed, your LG V20 now in bootloader with the status unlocked.
13. Finish. Now you have successfully unlocked the bootloader on LG V20  (VS995, H910, F800L, LS997)

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