If you’re going to return your smartphone to AT&T for any warranty purpose, make sure to unroot it first. Unrooting the device will remove SU binaries and therefore, the device will be considered as unmodified. Here’s how you can easily unroot the LG Nitro HD smartphone.
I. Before You Begin:
1. You must have rooted your smartphone using the guide given
here.
2. This doesn’t flash the stock firmware. It removes SU binaries only.
II. Downloading Required Files:
III. Unrooting the LG Nitro HD:
1. Place the SuperOneClick Tool on the Desktop of your PC.
2. Extract files from the SuperOneClick archive to your Desktop.
3. On your phone, enable USB debugging from Menu>>Settings>>Applications>>Development>>USB debugging.
4. Connect the phone to your PC using the USB cable.
5. Double-click on the SuperOneClick executable file, it’s there on your Desktop.
6. Hit the Unroot button in the Tool and it should begin unrooting your device.
7. When the unrooting is done, you’ll get a message on your screen.
8. You’re all done!
Rooting and Unrooting, both has been made easy using the SuperOneClick, all thanks to the developer who brought this tool to us. Your LG Nitro HD is now unrooted and you can safely take it to the company shop.