A mobile terminal is communicable with an image display apparatus connected to a nearby access point and includes: an interface configured to receive, from the access point, a signal including information on a current connection channel, by which the image display apparatus is currently connected to the access point, to transmit a request for connection with the image display apparatus by a same channel as the current connection channel, and to receive a response on the request; an information checker configured to check information on the current connection channel from the received signal; and a controller configured to request for connection with the image display apparatus by the same channel based on the checked information, to connect to the image display apparatus according to an approving result of the response on the request, and to control the image display apparatus in response to being connected.