How to use LG Flash Tool

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These are instructions on how to use the LG Flash Tool to flash or install the Stock Firmware (ROM) on LG smartphones, tablets, and featurephone.

Caution: Flashing or installing firmware using the Flash Tool will wipe the data from the device. Therefore, we recommend you take a backup of your data before using the Flash Tool.

Install .kdz or .cab Firmware using LG Flash Tool

  1. Download and install the LG USB Driver on your Computer (if in case LG Drivers are already installed, then SKIP this step).
  2. USB Logo

  3. Download and extract the LG Flash Tool on your computer. After extracting the tool, you will be able to see the following files:
  4. LG Flash Tool Files

  5. Now, you need to boot your LG Device into the downloading mode. To boot into the downloading mode, you need to Press and Hold Volume UP button of your Mobile device and connect the USB cable to the Mobile device (make sure it is already connected to the computer first).
  6. connect mobile computer

  7. Open LGFlashTool2014.exe.
  8. LG Flash Tool Open

  9. Once LG Flash Tool is launched, you will be able to see the following screen:
  10. LG Flash Tool

  11. Under the Select Type Drop Down, Choose CDMA.
  12. LG Flash Tool Select Type

  13. Click on the Select File button and Locate the Stock firmware (ROM) of your device (assuming you have already downloaded the stock firmware of your device).
  14. LG Flash Tool Select File

    LG Flash Tool KDZ Selected

  15. Click on the Normal Flash Button.
  16. LG Flash Tool Normal Flash

  17. On the Phone read information dialog box, Click on the Start Button.
  18. LG Flash Tool Start Flash

  19. Now, a Small Country and Language Dialog Box will appear on the screen. It would be best if you chose the Language as per your choice.
  20. LG Flash Tool Country language

  21. After Choosing the Language, Click on OK button.
  22. LG Flash Tool Language OK

  23. Flashing process will start automatically and may take 5-10 minutes to complete (depending on the firmware size). Once the flashing process is completed, your Mobile device will reboot automatically.
  24. LG Flash Tool Flashing

  25. Once your Mobile device is ready to use, disconnect it from the USB cable and Close the Flash Tool on your computer.
  26. Disconnect Mobile Computer

    Congratulations, you just learned to flash or install the Stock Firmware (ROM) on any LG Mobile device in the world.


[*] LG Flash Tool: If you want to download the latest version of the Flash Tool, then head over to Download LG Flash Tool page.

[*] LG Stock Firmware: If you are looking for the original firmware for your device, then head over to Download LG Stock Firmware page.

[*] LG USB Driver: If you are looking for the Original LG USB Driver, then head over to the LG USB Driver for Windows or LG USB Driver for Mac page.

[*] Credits: The Application was created and distributed by LG Vietnam Community. So, full credit goes to them for sharing the Application for free.