are installed on your PC so the device is recognized as a COM port. Enter Download Mode : Power off the phone, then hold the button while connecting it to the PC via USB. Setup LGUP Install the main LGUP tool. lgup8994.dll file in the appropriate directory (usually C:\Program Files (x86)\LG Electronics\LGUP\model\common Flash Firmware Open LGUP; it should now detect your phone.
: For newer LG devices, community-developed "Patched LGUP" versions are often used to bypass the need for specific DLL files entirely. Troubleshooting Common Errors lgup8994dllver00323 free