MOBILE TERMINAL, AND SCREEN UNLOCKING AND LOCKING METHOD THEREOF

摘要

Disclosed is a method for unlocking the screen of a mobile terminal, the screen unlocking method comprising: receiving at least one touch signal from a touch screen, each touch signal corresponding to a point touch by a user at a position on the touch screen; determining whether the position coordinates and touch duration of each touch signal are consistent with preset values, and if yes, then unlocking the touch screen. Also disclosed are a mobile terminal corresponding to the screen unlocking method, and a screen locking method. By using the method, the present invention improves the security of unlocking a mobile terminal screen.