| 摘要 |
A mobile communication terminal having a user data management function and a controlling method thereof are provided to store user data of each SIM(Subscriber Identification Module) card in the terminal, and to load the user data of an SIM card by conducting user confirmation and authentication if the predetermined SIM card is mounted, thereby maintaining security of The user data. When power is applied to a mobile communication terminal(S10), a controller extracts ID information of an SIM card mounted on an SIM card interface(S12). The controller decides whether a registration request of the corresponding SIM card is inputted(S14). If so, the controller requests a password, which is to be inputted when the SIM card is used, to be set(S16). The controller stores the inputted password and the ID information in an authentication data storage(S18). The controller assigns a storage tag to the SIM card to store the storage tag in a tag storage(S20). The controller reads user data to store the read data in a user data storage together with the storage tag(S22).
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