Sprint LG G5 (LS992) Users, You can follow your step by step guides below to unbrick/Restore Your LG G5 back to Stock.
What you need:
To flash stock LS992ZV3 firmware with LG UP.
Step 1, Install the latest LG USB Drivers
Step 2, Install the LG UP Software – LGUP_Install_Ver_1_14_3.msi
Step 3, Install the LGLS992_DLL.msi
Step 4, Reboot your Computer, and reboot your cell phone.
Step 5, Now connect your Phone to PC Via USB Cable and Run the LG UP Software
Wait until LG UP detect your Phone. If LG UP screen shows up, Go Step 6.
If LG UP can’t find your device, you need to put your phone into download mode manually by
Turn off your phone, press and hold “Volume Up” button and plug in the USB cable from your computer to the phone.>
Now Run the LG UP, waiting for LG UP install necessary USB drivers for your Phone.
When LG UP screen shows up. Go Step 6
Step 6, From LG UP Screen, click on the Upgrade option
Click Bin File and Select the LS992ZV3 firmware that you have downloaded
Now simply click on the Start button to begin the flashing process. Wait for few minutes until the installing process completes.
Welcome back, Now, Your phone is back to Stock. If you experience issues, please let us know in the comments below.