Finding clean, unmodified LG Wing firmware is challenging. Many third-party sites bundle malware or adware into flash files. Here are the most reputable sources:
Ensure the device is detected on a COM port as an "LG Android Net USB Serial Port". Select the Flash File button in LGUP and select your downloaded mode is used for a clean install (wipes data), while attempts to keep user data. Start Flashing and wait. The phone will reboot several times; do not disconnect the cable until the tool shows 100% completion. Critical Precautions lg wing 5g flash file