How to Unroot the Optimus L3 E400

Installing root-only apps andcustomROMsmay result in brick of the device sometimes. You don’t even have the valid warranty of the device, so no chances of taking it back to the service center. In this case, unrooting the device can help you as it restores the warranty of the device and you can then take it to the service center. If such thing has happened with your Optimus L3 E400 smartphone, you can follow our unrooting guide below. It’ll unroot the device as well as reinstate the warranty, let’s get started.By EditAndroidI. Before You Begin:1. You should have rooted your device using the procedure givenhere.2. Make sure your device’s charged and has at lst 60% of battery life left.II. Downloading Required Files:1.GingerBrk APKIII. Unrooting the Optimus L3 E400:1. Place the APK file you just downloaded to your Desktop.2. Connect your device toyourPCusing the USB cable.3. Copy the APK file over to the root of yourSDcard.4. Disconnect the device after the file has been copied.5. Turn ON the USBdebuggingoption by going toMenu>>Settings>>Appliions>>Development>>USB debugging.6. Turn ON the Unknown sources option as well fromMenu>>Settings>>Security>>Unknown sources.7. Open theFileManageron your device and tap on the APK file to install it.8. Once it’s installed, launch it from Menu.9. HitUnrootbutton in the app and let it unroot the device.10. It should take some time to unroot the device.11. Once it’s done, reboot the device.12. You’re all done!Grt! Your device has been restored to its factory state and all the SUbinarieshave been removed from the device. It’s now as original as it was when you took it out of the box!