How To Unlock At&t Phone Without Sim Card. Or with certain manufacturers phones. Insert a non-ATT SIM card.
4-Now turn on your phone. I didnt have access to a non-ATT SIM card. This code works I.
Under See device options select Get your PIN unlock key PUK.
Or with certain manufacturers phones. Device must be in Portrait mode. Select Manage my device. 100 Guaranteed to P.
