A mobile terminal includes: a display; a radio communication unit configured to exchange data with a server; and a controller configured to perform various operations. For example, in response to an input to execute an application associated with a home appliance, the controller to control a screen of the application associated with the home appliance to be displayed on the display. In response to a simple login item on the screen of the application being selected, the controller to control the radio communication unit to create a simple login ID account based on device information of the mobile terminal, and to transmit data including information on the created simple login ID account to the server. Additionally, in response to an account login item on the screen of the application being selected, the controller to control the radio communication unit to transmit data including user account information to the server.