How To Root/Unroot LG Optimus 2x P990

root is actually just using "superclick"
this way:

tools needed:
1. Driver LGUnitedMobileDriver_S4981MAN32AP22_ML_WHQL_Ver_3. 2.exe
2. SuperOneClickv1.7-ShortFuse.zip


steps:

    1. install the driver
    2. Do not forget to check the USB Debugging (Settings-> Applications-> Development)
    3. run it superclick.exe
    4. select psneuter
    5. Click on the root
    6. Checks already there "