Don’t want to keep your LG myTouch E739 rooted any longer? Want to reclaim the warranty so you can take it to the service center? No problem, we’ve the solution for you. As soon as you unroot your device, it will come back to its original state and not to mention that root-only apps won’t work any longer. Follow our guide below to unroot your LG myTouch E739 device.
I. Before You Begin:
1. You must have rooted your device using the procedure given
here. If you used any other root method, this procedure may or may not work for you.
2. You must have ADB installed on your PC. You can check out our guide on
how to install ADB.
3. Charge your device to have at least 50% of battery life left.
II. Downloading Required Files:
III. Unrooting the LG myTouch E739:
1. Download and place the SuperOneClick archive on your Desktop.
2. Unzip files from the archive to your Desktop.
3. Turn ON the USB debugging function on your device fromMenu>>Settings>>Applications>>Development>>USB debugging.
4. Connect your device to your PC via USB cable.
5. Now, on your PC, go to the folder where you’ve installed ADB. Press and hold the Shift button on your keyboard and right-click on any empty area on the screen, select Open command window here.
6. Enter following commands into the Command Prompt Window:
adb shell
echo 1 > /data/local/lge_adb.conf
exit
7. Launch the SuperOneClick tool by double-clicking on its executable file available on your Desktop.
8. Hit Unroot button in the tool and it should start the process.

Click the Unroot button
9. Once it’s done, reboot your device.
10. And you’re unrooted now!
Great! Your LG myTouch E739 has successfully been unrooted using the SuperOneClick tool. I bet the procedure didn’t take more than five minutes to finish!