Samsung SM-A505FN/DS 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 and write on, draw on, crop, or share the
captured screen. You can capture the current screen and scrollable area.
Use the following methods to capture a screenshot. Captured screenshots will be saved in
Gallery.
Key capture: Press and hold the Volume Down key and the Power key simultaneously.
Swipe capture: Swipe your hand to the left or right across the screen.
It is not possible to capture a screenshot while using some apps and features.
If capturing a screenshot by swiping is not activated, launch the Settings app, tap
Advanced features
capture switch to activate it.
Secure lock settings, unlock the screen using the preset
Motions and gestures, and then tap the Palm swipe to
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Screen lock
Face recognition for more
Fingerprint