A device and method for operating a Universal Integrated Circuit Card (UICC) are provided. The method includes selecting a first data type based application by a mobile terminal, and transceiving data by converting data transceived between the first data type based application and a first application module into data of a second data type set in the UICC, while the mobile terminal communicates with the UICC storing the first application module for supporting the first data type based.