Settings99SoundChange settings for various sounds on the device.On the Settings screen, tap Sound.• Volume: Adjust the volume level for call ringtones, music and videos, system sounds, andnotifications.• Ringtones: Add or select a ringtone for incoming calls.• Vibrate when ringing: Set the device to vibrate and play a ringtone for incoming calls.• Dialling keypad tone: Set the device to sound when you tap the buttons on the keypad.• Touch sounds: Set the device to sound when you select an app or option on the touchscreen.• Screen lock sound: Set the device to sound when you lock or unlock the touch screen.DisplayChange the display settings.On the Settings screen, tap Display.• Wallpaper:– Home screen: Select a background image for the Home screen.– Lock screen: Select a background image for the locked screen.– Home and lock screens: Select a background image for the Home screen and thelocked screen.