Owners of the LG K51 might seek out this specific file for several legitimate reasons:

Launch the LG UP utility on your Windows PC. The tool should automatically detect your device on an active COM port. If it shows an unknown device, verify your LG mobile drivers are properly installed. Step 3: Load the KDZ File

Once the progress indicator hits , the phone will reboot automatically. It is safe to remove the cable once you see the initial Metro by T-Mobile welcome installation wizard on the screen.