Getting started29› Switch to Silent modeTo mute or unmute your device, do one of the following:In Menu mode, select● Keypad, and then tap and hold .Open the notifications panel from the top of the screen and●select Sound & vibration.In Menu mode, select● Settings → Sound and drag theslider next to Sound.› Select a wallpaper for the idle screenIn Menu mode, select1 Settings → Display → Wallpaper.Select an image folder2 → an image.Select3 Set.Samsung is not responsible for any use of defaultimages or wallpapers provided on your device.Adjust the brightness of the display› In Menu mode, select1 Settings → Display.Drag the slider under2 Brightness to adjust the level ofbrightness.The brightness level of the display will affect howquickly the device consumes battery power.› Lock your deviceYou can lock your device by activating the device password.In Menu mode, select1 Settings → General → Security.Drag the slider next to2 Phone lock.Enter a new 4- to 8-digit password and select3 OK.Enter the new password again and select4 OK.
