Using an official stock KDZ flash file is vastly superior to attempting to force generic custom ROMs onto this specific device.
Correct Modem files integrated into the KDZ. Choosing the Best LG Wing Flash File (KDZ vs. TOT) lg wing flash file better
: Open your Windows Device Manager. Check if your phone shows up under ports as "LG Mobile USB Serial Port". If you see a yellow exclamation point, uninstall your current USB drivers, reboot your computer, and reinstall the official driver pack. Using an official stock KDZ flash file is
Flashing the wrong file can brick your device. You must match the "flash file" (firmware) to your specific hardware variant: TOT) : Open your Windows Device Manager
Power off the device, hold Volume Up, and plug it into your PC.
: Be cautious when trying to downgrade; LG devices often have anti-rollback security that can permanently brick the device if you try to install an older version than what is currently on the phone. LGUp Tool 1.16 PATCHED for the LG Wing Tutorial