Guide How To Flash LG Leon LTE Android Using KDZ Firmware.

Guide How To Flash LG Leon LTE Android Using KDZ Firmware.


 Flash / Install Firmware LG Leon LTE. Guidebelajar on this guide will explain to you how to flashing android device on LG Leon LTE  with an easy and simple step. Flashing in android is the same way like a fresh install on the windows PC, So by performing a flash on Android, you will give a new performance like a new phone. One reason that you should perform a flash your android is because your android gets boot loop or when you failed to install Stock ROM Mod. 

 This LG Leon LTE is the smartphone comes with Android OS, v5.0.1 (Lollipop) and supported CPU Qualcomm MSM8916 Snapdragon 410, Quad-core 1.2 GHz Cortex-A53, GPU Adreno 306, 1 GB of RAM as their engine, combined with 8 MP of primary camera, and VGA quality on secondary camera.


So, If you have any problems on LG Leon LTE boot loop or accidental LG Leon LTE is not installed recovery. In this guide, I'm not offering recovery twrp or Cwm. CMW is a recovery that already in recovery mode for customization of the device such that the LG Leon LTE with a variety of additional functions in it such as backup/restore, installations and others that are not contained in the standard recovery mode. Generally, in case of a default recovery bootloop, LG Leon LTE will go missing in case of boot loop. whereas the original recovery cannot help when there hard brick.

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

Requirement Tool For Flash LG Leon LTE.

Before you perform flash or install your firmware on LG Leon LTE, you must download all requirement tool ;
  1. Download Firmware LG Official (format KDZ): 
  2. Download Driver LG: 
  3. Latest LG FlashTool: 

Guide To Flash LG Leon LTE

Please follow this guide carefully to flash LG Leon LTE.
  1. Make sure you have downloaded all requirement tool above
  2. Install your LG Flash Tool
  3. Then you must install LG United Mobile Driver 3.14.1
  4. Then, Remove the LG Leon LTE battery and put it back in.
  5. Now you can Hold the Volume Up button (ONLY) while connecting to USB Cable to your PC or computer.
  6. Your Volume up button needs to be held until it reaches download mode appear on LG Leon LTE LCD Screen.  ( visit this guide to enter download mode)
  7. Then, Open device manager on your PC or computer and changed the LGE Mobile USB Serial port to COM 20.
  8. Now you can Open the Flash Tool program on your computer.
  9. Select Type: 3GQCT 
  10. PhoneMode: EMERGENCY
  11. KDZ : MS34510D_00.KDZ
  12. Then you can Click on Normal Flash
  13. Click on Clear update registry
  14. Select Country: different country
  15. Select Language: English
  16. Finally, you can click OK.
  17. You must wait a minute for the LG Mobile Support tool to recognize the LG Leon LTE device.
  18. When you wait this process, may take 5 minutes the tool to recognize it.
  19. The software will start the extraction on your device.
  20. When the process reaches 100% your LG Leon LTE will reboot.
  21. Then, you must Unplug your LG Leon LTE from your computer by remove USB Cable from it.,
  22. Finish,
  23. Now, your phone will start normally