![background image](http://html.mh-extra.com/html/samsung/galaxy-521-fe-sg/galaxy-521-fe-sg_user-manual_339255012.webp)
Getting
started
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. For more information about screen
locks, see
.
Side key
Press to lock.
Press to turn on the
screen, and then
swipe the screen to
unlock it.
Devices
and
software
are
constantly
evolving
—
the
illustrations
you
see
here
are
for
reference
only.
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