How to Extract KDZ Firmware

These are the instructions to Extract KDZ Firmware (file or ROM) using the LG Firmware Extract Tool on Windows Computer.

Requirements: In order to follow the following guidelines, you need to have the KDZ Firmware (ROM) on your Windows computer.

Extract KDZ Firmware

Step 1: Download the LG KDZ Firmware on your Computer (if you have already downloaded the KDZ firmware then SKIP this step).

Step 2: Download LG Firmware Extract Tool on your Computer.

Step 3: Once you have downloaded the LG Firmware Extract Tool on your computer, Extract it. After extracting the package, you will be able to see the following files:

Step 4: Now, Open WindowsLGFirmwareExtract.exe.

Once it is launched, you will be able to see the following screen:

Step 5: Now, Click on the KDZ Open Button and Locate the KDZ Firmware (that you have downloaded in Step#1).

Step 6: Once you have located the KDZ Firmware, Double Click on the File to Add it in the Tool.

Step 7: Once the KDZ File is loaded in the Tool, it will automatically display the contents of the KDZ file.

Step 8: Now, Select the File that you want to Extract from the KDZ File.

Step 9: Then Finally Click on the Extract KDZ button to begin the Extracting process.

Step 10: Extracting process may take few minutes to complete.

Step 11: The Extracted File can be found in the Tool Folder (same folder from where you launched the WindowsLGFirmwareExtract.exe tool in Step#3).

Readme Once:

[*] LG Firmware Extract Tool also helps you to extract the contents of .DZ and TOT File.

[*] Know Issue: LG Firmware Extract Tool may not work with all the LG Firmware. And you may face the Not a KDZ or a TOT File Error after loading the KDZ File.

[*] LG USB Driver: If you are looking for the Official LG Driver then head over to the LG USB Driver Page.

[*] Credits: Big thanks to bullghost (xda developer) for creating the tool. Without using the LG Firmware Extract Tool, the above tutorial was not possible.