How to Flash / Install Firmware LG K4 Using LG FlashTool (KDZ method).

Flash / Install Firmware LG K4. This device has some versions, they are K121 (Canada), K120E (Europe), K130E (Russia), Use this simple guide to help you fix a bootloop or bricked LG K4 smartphone device. Moreover, you can use this guide to upgrade custom ROM or Stock ROM on your device.

This phone is the smartphone with 4,5 Inch IPS LCD capacitive touchscreen, 16M colors, work on Android OS, v5.1.1 (Lollipop), and supported with Quad-core 1.0 GHz Cortex-A53 CPU,Mediatek MT6735M Chipset, Mali-T720MP2 GPU, combined with 1 GB of RAM and 5  MP of Main camera and 2 MP on secondary camera. And this device Released 2016, January.

Now, follow the instruction list below, do it at your own risk.

flash LG K4

Requirement Tool For Flash LG K4.

Before you perform flash or install your firmware on LG K4, you must download all requirement tool below ;

1. There are many methods to Download LG Firmware.
• Download Stock Rom LG K4 K130Y 
• This Stock is KDZ file, remember to copy this KDZ file into LG Flash Tool 2014 folder
• Check the firmware that matches with your phone version,
• The V10 is the KitKat version
• The V20 is for the Lollipop Version.
• And, you can see a letter, that is little updates, you can download the one with the "last" letter.
2. Or, you can download it by yourself.
• Download KDZ file for all LG smartphone device.  
3. Or, go to the direct link below.
• LG K4 VS425 Stock kdz firmware. for Verizon only. Here
• Download Driver LG:  Here
• Latest LG FlashTool:  Here

#1. Flashing Guide

Please follow this guide carefully to flash kdz firmware.

1. Make sure you have downloaded all prerequisite tool above
2. Then Install the drivers with your phone connected to your Computer, when it finished disconnecting your phone from your computer.
3. Now turn your device off, then continuously press on the Volume Up and connect your phone to your PC, 
4. Now, enter your LG K4 into download mode.  ( visit this guide)
5. For the next step, please see the following page. Here
6. For video guide watch here.

#2. Guide To Flash LG K4

If #1 method is failed to flash your LG Android device, you can use this second method, flashing LG device using R&D Test Tool. Here

#3. Flash LG K4 With LG UP.

You can use other methods to flash stock LG K4 LG VS425 firmware. and now we will show you how to flash stock firmware using LG UP. So what you need to flash using this method?

1. Verizon LG K4 VS425 Stock kdz firmware:  Here
2. LG USB drivers  Here
3. LG UP Store Here
4. LG UP DLL for LG VS425 Here

For more instruction on how to use LG UP to flash KDZ Stock firmware to LG K4, you can follow this guide.

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