A portable communication device includes a touch screen display; first communication circuitry configured to support a long term evolution (LTE) communication; second communication circuitry configured to support a new radio (NR) communication; a memory storing operator information indicating an operator of a mobile network and operator policy information; and at least one processor configured to receive, from an LTE base station corresponding to the mobile network via the first communication circuitry, a system information block (SIB) and a non-access stratum (NAS) message, determine, based on the SIB and the NAS message, whether dual connectivity of the LTE communication and the NR communication is available for the portable communication device, based on the operator information, the operator policy information and determining that the dual connectivity is available for the portable communication device, select an indicator from a first indicator and a second indicator, the first indicator indicating that the portable communication device is connected with the mobile network via the LTE communication, the second indicator indicating that the NR communication is available for the portable communication device to connect with the mobile network, and display the selected indicator via the touch screen display.