Unlock blackberry 8820 From At&T Cingular

gus Silver Member Username: Fortec16 CANADA Post Number: 194 Registered: May-06	Posted on Thursday, March 13, 2008 - 01:18 GMT need help just got the phone but its not working with rogers sim card. It been used by the cingular AT&T network in USA. help
sinha New member Username: Sinha Post Number: 5 Registered: Mar-11	Posted on Tuesday, September 20, 2011 - 11:02 GMT getting codes from your service provider can be got only if your phone within your contract period. i got the codes from a third party and unlocked myself through the instructions.