Lock or unlock your device

Samsung Galaxy S21 Ultra 5G

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Lock or unlock your device

Getting started

Lock or unlock your device

Use your device’s screen lock features to secure your device. By default, the device locks automatically when the screen times out. For more information about screen locks, see Lock screen and security.

Side key

Press to lock. Press to turn on the screen, and then swipe the screen to unlock it.

Devices and software are constantly evolving — the illustrations you see here are for reference only.

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Lock or unlock your device - Samsung Galaxy S21 Ultra 5G