Samsung GT-S5780YKDXEV manual ››Select a wallpaper for the idle screen, ››Lock your device

››Select a wallpaper for the idle screen

1 In Menu mode, select Settings → Display and light → Wallpaper.

2 Select an image.

To select an image from the image folder, select the folder.

3 Select Set.

Samsung is not responsible for any use of default images or wallpapers provided on your device.

››Adjust the brightness of the display

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In Menu mode, select Settings → Display and light.

Drag the slider under Brightness to adjust the level of brightness.

Select Set.

The brightness level of the display will affect how quickly the device consumes battery power.

››Lock your device

You can lock your device by activating the device password.

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In Menu mode, select Settings → Security.

Select Phone lock.

Enter a new 4- to 8-digit password and select Done. Enter the new password again and select Done.

The first time you access a menu that requires a password, you will be prompted to create and confirm a password.

Getting started

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