Samsung Galaxy Tab S2 User Manual page 19

Secure Your Device
Use your device's screen lock features to secure your
device.
Lock the Device
By default, the device locks automatically when the
screen times out.
To lock the device:
► Press the Power key.
Unlock the Device
The default Screen lock on your device is Swipe.
Note: To choose a more secure screen lock,
see "Set a Screen Lock" on page 123.
To unlock the device:
► Press the Power key or Home key, and then drag
your finger across the screen.
Getting Started 9 Set Up Your Device