How to Root/Unroot the Optimus T

Going to return your phone to T-Mobile for any warranty kind of purpose? Make sure to unroot the device first and only then visit the T-Mobile employees. Unrooting should help you reclaim the warranty of your device and here’s how you can unroot, in other words, remove SU binaries from your Optimus T smartphone. Here you go:By EditAndroidI. Before You Begin:1. You must have rooted your device using the method provided inthis guide. If you used any other method to root the device, the following procedure won’t work for you.2. Charge your device to have at lst 60% of battery life left.II. Downloading Required Files:1.z4RootIII. Unrooting the Optimus T:1. Download the z4Root App to the Desktop of your PC.2. Connect your device to your PC using the USB cable.3. Copy the z4Root file over to the root folder of your SD card. It is the topmost folder you see when you open My files.4. Disconnect the device after the file is copied.5. OpenMy fileson your device and install the z4Root App you just copied.6. Launch the app on your device from the Menu.7. ChooseUnrootoption in the app and your device should be unrooted in a moment.8. Your device should be now unrooted!You’re now safe to take your phone to the T-Mobile store, they won’t be able to know that you’d rooted your phone once!