Samsung SM-J260M/DS User Manual page 37

Basic
Changing the screen lock method
To change the screen lock method, launch the Settings app, tap Lock screen and
security →
Screen lock type, and then select a method.
When you set a pattern, PIN, or password 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.
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.
It is not possible to capture a screenshot while using some apps and features.
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