I need an unlock code for a : AT&T Nokia 3100b type RH-50 IMEI : 352509003711797 AT&T wireless service (sold to Cingular but Cingular says they were not given the codes.) (Service here in USA) I will try to unlock this phone if I can get the screen repaired, I had two with broken screens the other phone is too broken to fix cross my fingers on this one