Patent ID: 8761748
Filing Date: 2014-06-24
Classification: H04M

Abstract:
1. A method of controlling a mobile terminal, the method comprising: assigning at least a first function and a second function to each of one or more variable function keys, the first function corresponding to a first operating mode and the second function corresponding to a second operating mode; performing the first function assigned to a specific one of the one or more variable function keys when the specific one of the one or more variable function keys is input during the first operating mode and performing the second function assigned to the specific one of the one or more variable function keys when the specific one of the one or more variable function keys is input during the second operating mode, wherein the first operating mode comprises a text message writing mode and the second operating mode comprises a text message viewing mode; and performing a fixed function assigned to a specific one of one or more non-variable function keys regardless of an operation mode of the mobile terminal when the specific one of one or more non-variable function keys is input, wherein the one or more non-variable function keys represent character keys of a keypad, wherein the one or more variable function keys represent remaining keys of the keypad other than the character keys of the keypad and comprises a “*” key, wherein performing the first function comprises: wherein performing the second function comprises: