Patent ID: 7088988

Claim:
A method in a wireless portable communication device having a removable Subscriber Identity Module (SIM) and a lockout mode of operation, the method comprising: comparing a first profile stored in said wireless portable communication device to a second profile stored in said SIM; determining whether said first profile and said second profile are different; activating a restricted use mode in response to determining that said first profile and said second profile are different, the restricted use mode deactivatable by receiving an access code, wherein the access code is input by a user; activating the lockout mode upon failing to receive the access code under a predetermined condition; restricting communications to and from the wireless portable communication device while in the lockout mode; permitting, in response to activating the lockout mode, transmission of a request to deactivate the lockout mode while in the lockout mode, the request consisting essentially of a first Short Message Service message requesting to deactivate the lockout mode to a service provider; and receiving, in response to the transmission of a request to deactivate the lockout mode while in lockout mode, a message to deactivate the lockout mode, the message to deactivate the lockout mode comprising a second Short Message Service message, said second Short Message Service message activating an application residing in said SIM, said application deactivating the lockout mode.