Motorola DROID 4 hard reset
To reset your Motorola phone to factory settings and erase all the data on your phone, touch Menu > Settings> Privacy > Factory data reset > Reset phone.
Motorola DROID 4 soft reset reboot
In the unlikely event that your device becomes
unresponsive, try a forced reboot—press and hold both Power and the down volume key for up to
10 seconds.
