Patent ID: 8359008
Filing Date: 2013-01-22
Classification: G06F,H04L,H04M,H04W

Abstract:
1. A computer-implemented security method for an electronic device, the electronic device in communication with a network server and comprising a storage system and a Subscriber Identity Module (SIM), the method comprising: determining whether a virtual SIM card in the storage system is blank, upon the condition that the electronic device is started; comparing data in the SIM card of the electronic device with data in the virtual SIM card, if the virtual SIM card is not blank; determining whether the electronic device has received a command of reporting loss of the SIM card from the network server, upon the condition that the data in the SIM card is same as the data in the virtual SIM card; running the electronic device normally, upon the condition that the electronic device has not received the command of reporting the loss of the SIM card; or deleting a contact list and messages in the storage system, and disabling a calling function of the electronic device, upon the condition that the electronic device has received the command of reporting the loss of the SIM card; and further comprising determining whether the electronic device has received a restarting command from the network server, after the contact list and messages are deleted; and restarting the electronic device, upon the condition that the electronic device has received the restarting command.