Samsung GT-I9300 user manual ››Lock your device, Application list, select Settings → Security →

Adjust the brightness manually

1 In the application list, select Settings → Display → Brightness.

2 Clear the tick box next to Automatic brightness.

3 Drag the slider to the left or right.

4 Select OK.

››Lock your device

You can lock your device by activating the screen lock feature.

●●

●●

If you forget your password, take your device to a Samsung Service Centre to reset it.

Samsung is not responsible for the loss of passwords or private information, or other damages caused by illegal software.

Set a face detection unlock

1

2

3

4

5

In the application list, select Settings → Security →

Screen lock → Face unlock.

Select Set it up → Continue.

Adjust the device to fit your face inside the figure. When your face is captured correctly, select Continue.

Complete the setup of the secondary unlock PIN or pattern.

Set a face and voice recognition unlock

1

2

In the application list, select Settings → Security →

Screen lock → Face and voice.

Select Set it up → Continue.

Getting started

41