The attribute information of the application for determining whether the application is an application required to transmit and receive data in real time to and from the external server may include at least one piece of application identification information (ID), an application type, and information on the amount of used data. Further, the attribute information of the application may further include information indicating whether to automatically switch communication networks. In addition, any information that can be used for determining whether the application is an application that is required to transmit and receive data in real time to and from an external server may be used as the attribute information of the application.
According to an embodiment, the attribute information of the application may be attribute information that the processor 120 has stored according to each application in advance when downloading the applications, or may be attribute information received from the external server when the application is executed. As described above, on the basis of the pre-stored attribute information of the application or the attribute information provided from the external server, the processor 120 may determine whether the executed application is an application for which automatic switching of communication networks is should be deactivated.