Settings
One-handed mode
You can change the screen layout to accommodate operating your device with one hand.
1.From Settings, tap 
Advanced features > One-handed mode.
2.Tap C> to enable the feature and select one of the following options:
•Gesture: Swipe down in the center of the bottom edge of the screen.
•Button: Tap 0 Home two times in quick succession to reduce the display size.
Lock screen and security
You can secure your device and protect your data by setting a screen lock.
Screen lock types Google Play Protect Security update Find My Mobile Find My Device Samsung Pass Secure Folder Private Share Install unknown apps Encrypt or decrypt SD card Set up SIM card lock View passwords Device administration Credential storage Strong Protection Advanced security settings Permission manager Samsung Privacy Google Privacy Location
Screen lock types
You can choose from the following screen lock types that offer high, medium, or no security: Swipe, Pattern, PIN, Password, and None.
NOTE Biometric locks are also available to protect access to your device and sensitive data on your device. For more information, see Biometric security.
Set a secure screen lock
It is recommended that you secure your device using a secure screen lock (Pattern, PIN, or Password). This is necessary to set up and enable biometric locks.
1.From Settings, tap 
Lock screen > Screen lock type and tap a secure screen lock (Pattern, PIN, or Password).
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