Hard Reset X4 Optimus P880



Well with the phone off will press the Volume key - and leave now oppressed and oppress the power button to turn on the phone.
Let the 2 key presses until they see the android recovery mode menu.

Go to with the volume keys to where it says facory wipe data and power to the selected key,
Then go down to where it says YES to confirm, and finally restart the phone
and smart as factory.