Security system and method for a mobile phone

[0015]FIG. 1 is a block diagram of one embodiment a mobile phone 1 comprising a security system 10. The security system 10 is configured for setting security measurements for the mobile phone 1. The security measurements, in one embodiment comprises setting least two PIN numbers, encrypting an electronic phone book system (shown in FIG. 5) of the mobile phone 1, setting a security status for each contact in the phone book system, and starting a secure work mode of the mobile phone 1. Further details of these security measurements will be explained in further detail herein.

[0016]The encrypted phone book system includes information about an identification (ID) name, address, phone number(s), and security status for each contact in the phone book system. For example, in FIG. 6, a contact has an ID name “Peter,” an address “Shenzhen,” a phone number “135432546,” and a security status “yes.” In other words, a call and a message from Peter may be placed and / or sent as a secured call and a