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LG X4 2019 Firmware Update X420N20G January 2020 Security Patch

LG X4 2019 Firmware Update X420N20G January 2020 Security Patch

This specific firmware download package for LG X4 2019 X420N20G comes with a Stock ROM of LG X4 2019 X420N20G. This helps you to bypass FRP lock and revert form root and custom ROM.

LG X4 2019 Firmware Update X420N20G January 2020 Security Patch

If your LG X4 2019 X420N20G device is corrupt or bricked. Download LG X4 2019 X420N20G firmware from here. (based on your device model number) and flash it on your smartphone or tablet. To get it back to a working condition again.

LG X4 2019 X420N20G Firmware” is the software that is provided by the vendor, or You may say that the software. Which was installed by the manufacturer of the phone is LG X4 2019 X420N20G Stock Rom.

The Benefit Of LG X4 2019 X420N20G Stock ROM:

  • Flash Stock ROM to unbrick your LG X4 2019 X420N20G
  • Flash Stock ROM to solve the boot loop issue
  • Update and Downgrade
  • Unroot or Fix Bugs on the phone
  • To solve the lag or stutter
  • By flashing Stock ROM, you can fix software issues.
  • Revert to stock to get your warranty.

Pre-requirements to Install LG X4 2019 X420N20G Stock ROM:

  • Supported Phone: LG X4 2019 X420N20G
  • Charge your mobile: You may no less than a half charge.
  • Laptop or PC: To execute this installation, you must use a PC or Laptop.

1. Take LG X4 2019 X420N20G Full Backup

Before going to install LG X4 2019 X420N20G stock ROM you need to take a backup of all your messages, photos, and apps from your smartphone.

Most smartphones automatically make a backup in the background. But to make sure you take everything to your new device, you need a full backup.

How To Backup Android Phone Before Flashing Stock Firmware

2. Download LG X4 2019 X420N20G Flash Tool And Drivers:

A.  Download and install LG X4 2019 X420N20G Drivers. The necessary communication between your device and PC.

These drivers are mainly for the devices powered by LG. With these drivers, you can transfer files, flash the firmware files on the device, etc.

B. We use the LGUP Tool 2016 and LG Flash Tool 2014 for as LG X4 2019 X420N20G Flash Tool because of this tool is very efficient and support all kind of LG phones.

Instructions to Flash LG X4 2019 X420N20G Stock ROM:

1. Extract/Unzip the LG X4 2019 X420N20G flash tool.zip file that you downloaded above on your PC. You’ll get a bunch of files required to run the program.

2. Run LG flash tool 2014.exe file to Open LG flash tool. If it doesn’t open, install Visual C++ Runtime Library from here and then try again.

3. Boot your LG X4 2019 X420N20G device into Download Mode:

How To Start LG X4 2019 X420N20G download mode?

Power off your LG device

Press and hold the Volume Up button.

Connect your device to PC with a USB cable while holding the Volume Up button.

4. Now load the LG X4 2019 X420N20G firmware.kdz file into LG Flash Tool window on your pc.

5. Click the browse button at the end of the “Select LG X4 2019 X420N20G firmware.kdz file” line. Leave every other option as is on the LG Flash Tool window.

6. Once you’ve selected LG X4 2019 X420N20G firmware.kdz, click the CSE Flash button to proceed on flashing the.KDZ firmware to your LG device.

7. Normal Flash” button doesn’t wipe data, and the “CSE Flash” button wipes data. If you’re upgrading from a stock firmware, then “Normal Flash” might do.

9. You’ll get a “Read Phone Information” window; it will be blank for the most part. Just hit the START button to proceed.

10. Now you’ll see the “Select Country & Language” window. Select “Different” from the country list and then “English” from the language list.

And remember NOT to tick the Smartphone upgrade checkbox, it’s for Windows Mobile phones, not your LG device running on Android

You’ll see a progress bar now. Just wait until it’s 100%, after which you might get an error “Connection to server failed.” This is okay. Don’t disconnect your phone at this point.

LG X4 2019 X420N20G firmware update progress on your phone. Once it’s complete, your phone will automatically reboot.

After the flashing process starts and might take up to 5-10 minutes, so keep patience and wait.

Instructions To Flash LG X4 2019 X420N20G With LGUP Firmware Tool:

1. Download and install LG Mobile Driver 4.1.1

2. Download Latest LGUP Tool 2016

3. Download LGUP DLL

5. First Install the DLL file, then install LG UP file on your PC.

6. Run the LG UP tool on your PC.

7. Connect your LG smartphone to your PC/laptop.

8. LG X4 2019 X420N20G will be listed on the screen of the LG UP tool.

9. Now click on the Upgrade option in LG UP and choose the file’s path. Locate the LG X4 2019 X420N20G firmware KDZ file and select it.

10. Click on the start button, and the process will be started.

11. Once the process is completed, your phone will restart.

Unplug your device, Done!!!

You have successfully Installed the Stock Firmware on your LG device.

Disclaimer:

  • Please read and understand the Full Guide before flashing “LG X4 2019 X420N20G Firmware”.
  • Use these instructions at your own risk. We will not be responsible for everything that happens to your device, resulting from the use of information in this guide.
  • Before flashing, Stock ROM on LG X4 2019 X420N20G must have a 70–80% charge.

Download LG X4 2019 stock firmware LMX420N

  • IMEI:3599661008xxxxx
  • Model: LMX420N
  • Suffix: AKTFOP
  • Buyer: KTF
  • Software Version: X420N20G_00
  • OS Version:P
  • File Name:X420N20g_00_KT_KR_OP_0121.kdz
  • KDZ File size:3360495195

Download:X420N20g_00_KT_KR_OP_0121.kdz

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