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


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

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 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 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 ;
  1. There are many methods 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 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.
    • Or, you can download it by yourself.
      • Download KDZ file for all LG smartphone device. Here
    • Or, go to the direct link below.
      • LG K4 VS425 Stock kdz firmware. for Verizon only. Here 
  2. Download Driver LG: Here
  3. Latest LG FlashTool: Here

Guide To Flash LG K4

Please follow this guide carefully to flash LG K4.

  1. Make sure you have downloaded all requirement tool above
  2. Then Install the drivers with your phone connected to your Computer, when it finished disconnecting your LG K4 phone from your computer.
  3. Now turn your LG K4 phone off, then click continuously on the up volume and connect your phone to your PC, 
  4. Now, enter your LG K4 into download mode.  ( visit this guide)
  5. Run LGFlashTool2014.exe
  6. If you cannot run LGFlashTool2014.exe, You must install Visual C++ Runtime Library, 
  7. 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
  8. Never change all default preference, But, if you want, you can follow this:
    LG flash tool normal flash / CSE flash
    LG flash tool normal flash / CSE flash
  9. Select Type: CDMA
  10. Phone ModeCS_Emergency 
  11. Reset Time: 33000
  12. On the Select KDZ file, select the yellow color folder icon, and select the firmware file LG is already downloaded earlier
  13. Klik CSE Flash.
  14. You can select the language which can speak in your language.
  15. Wait for the flash process.
    flash LG K4
    flash LG K4
  16. When the process is finished, Press "Exit" then the task in your windows will go to the end. 
    flash LG K4
    flash LG K4
  17. Then, your LG K4 phone will restart twice and boot up as originally phone like you buy at the first time.
  18. Finish.

#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


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