Method and apparatus for Operating the lock screen of the mobile terminal

The present invention has shown a method and apparatus for using a lock on the electronic device, when the lock screen, the call is detected, the phase and the locked image (Lock image) indicating the locked image (Lock image) on the lock screen point to when the the sensed drawing comprising the steps of: detecting a drawing in a state consistent with the unlock value includes the step of releasing the lock screen, the configuration is an image wherein the locked image (lock image), line, at least one of the surfaces It provides a locking device of the operating method and an electronic device, characterized in that included in the drawing value for the unlocking.