How to Set a Secure Screen Lock on a Samsung Galaxy Smartphone

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 and AOD > Screen lock and biometrics and tap
   a secure screen lock (Pattern, PIN, or Password).
2. Tap to enable showing notifications on the lock screen. The following
   options are available:

• Notification style: Choose how notifications are displayed on the Lock screen.
• Show content: Show notifications in the Notification panel.
• Hide content: Do not show notifications in the Notification panel.
• Show alerting notifications only: Silent notifications will not be displayed.

1. Tap Done to exit the menu.
2. Configure the following screen lock options:

• Extend unlock: Unlock your device automatically when trusted locations or
  other devices have been detected. A secure screen lock is required for this
  feature.
• Secure lock settings: Customize your secure lock settings. A secure screen
  lock is required for this feature.
• Always On Display: Enable the Always On Display screen. Learn more: Always
  On Display
• Now bar: Customize the card to show what you want on the Lock screen.
• Touch and hold to edit: Choose whether to allow items on the Lock screen to
  be edited by touching and holding them.
• Roaming clock: Show the time both where you are and at home while you
  are roaming.
• Contact information: Display information such as your phone number or
  email address on the Lock screen in case you lose your device.
• Show unlock transition effect: Show a transition effect when you use
  biometrics to unlock your device.
• About Lock screen: Update the Lock screen’s software.