Prerequisite: You must install LG United Driver (simply change the phone USB mode to LG mode and install PC Suite). You must enable USB debug mode (in developers option) and "unknown sources" (in security option). Download and unpack Root and Restore. http://forum.xda-developers.com/showthread.php?t=1886460 Download the attached RunMe_L9.txt and change the extension to .bat, and put it to where the unpacked folder is. Are you ready? Here it goes: Hook up your phone and choose USB LG mode. Make sure you see a bug on the top-left of screen. Open Root and Restore folder->run RunMe_L9.bat You will be prompted to restore data. Look at the phone screen and choose "restore my data" when prompted, and press any key after the restore has finished. The phone will reboot. Check the terminal window and check for "(are you rooted?)" error. If there's no error, check the phone to see "Android is updating". If so, the phone should be rooted. Download and install busybox and SuperSU. Done. Happy Rooting!