Your device should reboot into download mode.ĥ. Then, plug the second end into your device and hold down the Volume UP button.Ĥ. To do that, plug in one end of the USB cable to your PC. Extract files from LG Flash Tool to your desktop by right-clicking on it and selecting Extract here.ģ. Download Stock ROM for your device and save it to your desktop. Download LG Flash Tool and save it to your desktop.Ģ. So, go ahead and get that beast unrooted! II. That’s what you’re gonna do in the following guide. In order to unroot the device, you’ll need to flash the stock ROM using the LG Flash Tool. If they aren’t, please download and install them first. Ensure that LG USB drivers are installed on your PC. This should work for the international, T-Mobile, and AT&T variants of the device.ĥ. Since this will flash the stock ROM and wipe off the data stored on your device, you might want to make a backup of your device before going ahead.Ĥ. You must have a Windows based PC to do this procedure.ģ. You should have rooted your LG G4 using the procedure given hereor here or here.Ģ. Once you grab the firmware for your particular version of the G4, you can download the flashing tool, plug your phone in, select the firmware and let it do its thing. To unroot the LG G4, we’ll be flashing the stock firmware (ROM) from LG using their own firmware flashing tool (so you know its legit). Whether you’re sick of flashing ROMs on your phone or sending it in for warranty, unrooting the LG G4 will get it back to stock –the way it came out of the box when you bought it.

Lg flash tool g4