Motorola EX122 hard reset
In the unlikely event that your phone stops responding to taps and key presses, try a quick reset. Remove the back cover and battery, then replace and turn on your phone as usual.
Reset default factory settings on your phone.
Caution: This option erases all information you have entered (including contacts and calendar entries) and content you have downloaded (including pictures, videos and music files) stored in your phone's memory. After you erase the information, you cannot recover it. This option does not delete SIM card or memory card information.
Find it: MENU > Settings > Restore factory settings, then enter “1234”.