: You will need a matching stock firmware file for your specific model, usually in .KDZ or .TOT format.
Once you have extracted , follow these general steps: Enter Download Mode : Power off your LG phone. LG_STW.rar
Click the folder icon to browse and select your or .TOT file. Select Flash Type : : You will need a matching stock firmware
: Flashing can wipe all user data. Back up your files unless you are performing a "Normal Flash" which attempts to keep data. Select Flash Type : : Flashing can wipe all user data
: Install the LG Mobile USB Drivers so your computer can recognize the phone in Download Mode.
: Click Start and then OK on the country/language selection window (these settings often don't matter as long as the firmware matches your model).
: Do not disconnect the cable until the phone reboots and the tool shows "100%" or "Finished". Important Troubleshooting Flashing LG Stock Firmware Guide | PDF - Scribd