In this Tutorial we will show you how to root your LG Optimus LTE SU640. We will use the Kingo Toolkit which provides a quick and easy solution for windows users. For the Toolkit to work you will need to activate USB-Debugging on your device. To find out how to do this, take a look at our “Enable Developer Options in Android 4.2+ Tutorial

Backup Tutorials

Google automatically saves your contacts but doesn’t sync other files on your device. Check the following tutorials to completely backup your device.

LG Optimus LTE SU640 Root

Things we will need

[checklist]

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Important Informations

  • Always use a USB-Port from the backside of your PC
  • Always use the original USB cable
  • Always use a fully charged device
  • Always Backup your Device first

Supported Operating Systems

  • Windows XP
  • Windows Vista
  • Windows 7
  • Windows 8

LG Optimus LTE SU640 Root Tutorial

device-not-connected

  1. Download and Install the USB Drivers for your LG Optimus LTE SU640 and the Kingo Root Toolkit
  2. Activate USB-Debugging on your LG Optimus LTE SU640
  3. Start the Kingo Root Toolkit and connect your LG Optimus LTE SU640 with your pc via the usb cable
  4. The Kingo Root Toolkit should now display the name of your device
    google-nexus-4-root-connection
  5. To Root your device you simply need to click the orange “ROOT” Button
  6. After you pressed “ROOT” your device will reboot
  7. As soon as rooting is done you will get the “Root Succeeded!” Screen in the Kingo Toolkit
    google-nexus-4-rooting-finished
  8. Your LG Optimus LTE SU640 is now rooted if you want to remove the root you can also use this toolkit.