![background image](http://html1.mh-extra.com/html/samsung/galaxy-a15/galaxy-a15_user-manual_4750430009.webp)
Lock or unlock your device
Use your device’s screen lock features to secure your device. By default, the device
locks automatically when the screen times out. Learn more:
Side button
Press to lock.
Press to turn on
the screen, and
then swipe the
screen to unlock it.
Getting started
9
Devices and software are constantly evolving — illustrations are for reference only.