After downloading your desired LG official KDZ firmware from our LG firmware collection here, follow the instructions below to flash it on your smartphone.
Download LG flash tool from below link, then proceed with flashing instructions.
LG Flash tool – Download
How to flash LG KDZ firmware
- Download and unpack the LG Flash Tool .zip file that you downloaded above on your PC.
- Double-click/Run LGFlashTool.exe file to Open LG Flash Tool.
└ If it doesn’t open, install Visual C++ Runtime Library from here and then try again.- Power off your LG device. Boot your LG device into Download Mode:
- Press and hold Volume Up button.
- Connect your device to PC with a USB cable while holding the Volume Up button.
- You’ll boot into download mode with Firmware Update written on top of the screen.
- Now load the .kdz firmware file into LG Flash Tool window on your PC. Click the browse button at the end of the Select KDZ file line. Leave every other option as is on the LG Flash Tool window.
- Once you’ve selected .kdz firmware file, click CSE Flash button to proceed on flashing the .KDZ firmware to your LG device.
└ Note: the “Normal Flash” button doesn’t wipe data but the CSE Flash button wipes data. If you’re upgrading from a stock firmware, then Normal Flash might do. - You’ll get a Read Phone Information window, it will be blank for the most part. Just click the START button and proceed.
- You’ll be asked for administrator permissions for some LG program on your PC, accept it.
- Now you’ll see Select Country & Language window. Select Different from the country list and then English from the language list. And remember to NOT tick the Smartphone upgrade checkbox, it’s for Windows Mobile phones not your LG device running on Android.
- To finally begin firmware flashing process, hit the OK button.
- You’ll see a progress bar now. Just wait until it’s 100%, after which you might get an error Connection to server failed. This is okay. DO NOT disconnect your phone at this point.
- Watch your phone closely, you’ll see some activity going on the screen with COM written in green text. Once that happens click OK to the Connection to server failed error.
- Now watch the firmware update progress bar on your phone. Once it’s complete, your phone will automatically reboot. And then you can disconnect your phone from PC and close the LG Flash Tool utility as well.