Guide | Flash / Install Firmware LG K4 Using LG FlashTool (KDZ method).

Flash / Install Firmware LG K4 . LG K4 smartphone 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 LG K4 is the smartphone with 4,5 Inchi 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 bellow, do it with your own risk.

Requirement Tool For Flash LG K4.

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

There are many method to Download LG Firmware.

Download Stock Rom LG K4 : From Here,

This Stock is KDZ file, remember to copy this KDZ file into LG Flash Tool 2014 folder
Check the firmware that match 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.

Or, you can download it by yourself.

Download KDZ file for all LG smartphone device.

Or, goto the direct link below.

LG K4 VS425 Stock kdz firmware. for Verizon only.

Download Driver LG: Here
Latest LG FlashTool : Here

Guide To Flash LG K4

Please follow this guide carefully to flash LG K4.

Make sure you have download all requirement tool above
Then Install the drivers with your phone connected with your Computer, when it finished disconnect your LG K4 phone from your computer.
Now turn your LG K4 phone off, then click continuously on the up volume and connect your phone to your PC,
Now, enter your LG K4 into download mode. ( visit this guide or see at the end of this post)
Run LGFlashTool2014.exe,
If you cannot run LGFlashTool2014.exe, You must install Visual C++ Runtime Library, get here
There are two options to flash your LG G3 BEAT D722 / D724.

Normal Flash : You can select this option if you want Flash ROM without losing any data. Only use this when you need to fix system error.
CSE Flash : You can choose this option when you need a fresh format. All data will be deleted. It's suitable for upgrading or downgrading ROM or simply use this when you need to back to Stock

Never change all default preference, But, if you want, you can follow this:
LG flash tool normal flash / CSE flash
Select Type: CDMA
Phone Mode: CS_Emergency
Reset Time : 33000
On the Select KDZ file, select the yellow color folder icon, and select the firmware file LG is already downloaded earlier
Klik CSE Flash.
You can select language which can speak in your language.
Wait the flash process.
flash LG K4
When process is finished, Press "Exit" than the task in your windows will go to the end .
flash LG K4
Then, your LG K4 phone will restart twice and boot up as originally phone like you buy at the first time.
Finish.