Getting started15Locking and unlocking the screenPressing the Power button turns off the screen and locks it. Also, the screen turns off andautomatically locks if the device is not used for a specified period.To unlock the screen, press the Power button or the Home button and flick your finger in anydirection within the unlock screen area.You can change the unlock code to unlock the screen. Refer to Changing the screen lockmethod for more information.

Samsung SM-P355 User Manual