Patent ID: 8355700
Filing Date: 2013-01-15
Classification: H04M

Abstract:
1. A mobile terminal comprising: a memory for storing at least one message; a key input unit provided with at least one of a left key, a right key, an up key and a down key, for outputting a signal corresponding to a key pressed by a user; a display unit for displaying a message input or selected by the user; and a control unit for detecting when the user inputs an enhancement input of at least one of the keys to retrieve a previous or next message received from or sent to a same phone number of a currently displayed message, automatically retrieving a previous or next message received from or sent to the same phone number from the at least one message according to the enhancement input of key inputted by the user and displaying the retrieved message on the display unit, wherein the enhancement input of the keys operates a special function rather than a normal function of each the left key, the right key, the up key and the down key, and wherein the control unit controls the display unit directly to display the retrieved previous or next message received from or sent to the same phone number of the currently displayed message without user selection from a plurality of messages when the enhancement input is detected for longer than a predetermined period of time.