Samsung SM-A600F User Manual page 46

Basics
Changing the screen lock method
To change the screen lock method, launch the Settings app, tap Lock screen
type, and then select a method.
When you set a pattern, PIN, password, face, or fingerprint for the screen lock method, you
can protect your personal information by preventing others from accessing your device. After
setting the screen lock method, the device will require an unlock code whenever unlocking it.
Swipe: Swipe in any direction on the screen to unlock it.
Pattern: Draw a pattern with four or more dots to unlock the screen.
PIN: Enter a PIN with at least four numbers to unlock the screen.
Password: Enter a password with at least four characters, numbers, or symbols to unlock
the screen.
None: Do not set a screen lock method.
Face: Register your face to unlock the screen. Refer to
information.
Fingerprints: Register your fingerprints to unlock the screen. Refer to
recognition for more information.
You can set your device to perform a factory data reset if you enter the unlock code
incorrectly several times in a row and reach the attempt limit. Launch the Settings
app, tap Lock screen
screen lock method, and then tap the Auto factory reset switch to activate it.
Screen capture
Capture a screenshot while using the device.
Press and hold the Volume Down key and the Power key simultaneously. You can view
captured images in Gallery.
You can also capture screenshots by swiping your hand to the left or right across the screen. If
this feature is not activated, launch the Settings app, tap Advanced features
to capture and tap the switch to activate it.
It is not possible to capture a screenshot while using some apps and features.
Secure lock settings, unlock the screen using the preset
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Screen lock
Face recognition for more
Fingerprint
Palm swipe