A SIM locked iPhone can be jailbroken and unlocked to be used on unofficial or unsupported mobile service carriers such as T-Mobile in the USA. However, one downside is that FaceTime functionality does not work on an unlocked iDevice which is used on unsupported carriers. The unavailability of FaceTime is despite the fact that FaceTime does not work over GSM 2G or 3G data network, … Continue reading MiTime Enables FaceTime on Unsupported Mobile Carrier Network