Patent ID: 8914066

Claim:
A mobile device, comprising: a transceiver to transmit signals over, and receive signals from a wireless network; one or more processors coupled to the transceiver; one or more storage media coupled to the processors, the one or more storage media having stored thereon instructions which, when executed by the one or more processors, enable the mobile device to cooperate with a server of the wireless network to field program the mobile device with an international mobile subscriber identification (IMSI) and an associated private key (Ki); wherein the mobile device is configured to use the IMSI to identify a subscriber to a wireless service provider whenever the mobile device attempts to connect to the wireless service provider for wireless service; wherein the mobile device is further configured to use the Ki to authenticate the subscriber to the wireless service provider when attempting to establish a connection with the wireless service provider; and wherein the mobile device is further configured to use the Ki to generate an encryption key (Kc) to encrypt communication to be sent from the mobile device to the wireless service provider after a connection has been established.