How to Root/Unroot the Optimus U

The Optimus U is a US Cellular device that runs Android 2.2 Froyo as its operating system and packs some good ftures. The device’s got a 3.2″ inch screen with the resolution of 320×480 pixels, a 3.2 MP camera on the back and all those common ftures we usually see in a mid-range smartphone. You’ll be glad to know that the device’s root-able, that mns, you can load your favorite root-only apps on your device as well as remove any unwanted system apps. Rooting your Optimus U is as sy as pie and this guide should help you accomplish it.By EditAndroidI. Before You Begin:1. This will void the warranty of your device. However, you can reinstate the warranty by unrooting your device procedure also available in this post.2. Make sure your device has at lst 50% of battery life left.II. Downloading Required Files:1.z4Root APK(for root and unroot both)III. Rooting/Unrooting the Optimus U:1. Download and place the z4Root APK file onto your Desktop.2. Connect your device to your PC using the USB cable.3. Choose Mass Storage as the connection type so you can transfer files fro and to your device.4. Copy thez4Root APKfile over to the root of your SD card.5. Once the file’s been copied, unplug your device from your PC.6. Hd toMenu>>Settings>>Appliionson your device and enable theUnknown sourcesoption.7. Open the File Manager app on your device and install theAPKfile you copied rlier to your device.8. Once installed, open it from your App Drawer.9. Hit the button that saysRootand it’ll root your device & When You want to Unroot your phone launch the z4root app again and click on Unroot and it'll unroot your device.10. You should be rooted or unrooted now!!Congratulations! Your Optimus U has been successfully rooted, all thanks to z4Root app. You may now go ahd and install any root-only app on your device to check if you’re rlly rooted!Enjoy :D