How to Unroot the LG Optimus Extreme L40G

Maybe you’ve rooted your device to get access to root-only apps but now don’t need it anymore? Maybe you’re sending in your device for some warranty purpose? No worries, we’ll help you unroot your device. Once you’ve unrooted your device, you’ll have your lost warranty reinstated and it should enable you to bring your device to the service center. So, let us show you how you can unroot your LG Optimus Extreme L40G smartphone.

I. Before You Begin:

1. You must have rooted your device using the procedure given here. If you used any other method to root your device, this procedure may or may not work for you.

2. This works on Windows based PCs only.

II. Downloading Required Files:

1. Root Package (Download link’s given in the first post)

III. Unrooting the LG Optimus Extreme L40G:

1. Place the Root Package archive you downloaded to your Desktop.

2. Unzip files from the archive over to your Desktop.

3. Enable the USB debugging option on your device by going to Menu>>Settings>>Developer options>>USB debugging.

4. Once enabled, connect your device to your PC using the USB cable.

5. Double-click on the RunMe.bat file available on your Desktop.

6. Select Unroot option in the tool and it’ll start unrooting your device.

7. Once it’s done, reboot your device.

8. And you should be unrooted now!

Awesome! Your device has been successfully unrooted. You’ve got your lost warranty reinstated!

If this procedure helped you please thank/donate to the original developers here.

If you need help with this procedure, please ask in the comments below or in the forum.

This is part of our Android How To’s. We have how to’s on rooting, loading ROMs, and tons of other tips and tricks for your specific device or for Android devices in general! For all of our Android How To’s, head here.