Settings77ApplicationsManage the device’s apps and change their settings.On the Settings screen, tap Applications.t Application manager: View and manage the apps on your device.t Default applications: Select a default settings for using apps.t Application settings: Customise the settings for each app.Sounds and vibrationsChange settings for various sounds on the device.On the Settings screen, tap Sounds and vibrations.t Sound mode: Set the device to use sound mode or silent mode.t Vibrate while ringing: Set the device to vibrate and play a ringtone for incoming calls.t Volume: Adjust the volume level for call ringtones, music and videos, system sounds, andnotifications.t Ringtone: Change the ringtone and notification sound settings.t Vibration pattern: Select a vibration pattern.t Notification sounds: Change the notification settings for each app.t Touch sounds: Set the device to sound when you select an app or option on thetouchscreen.t Screen lock sounds: Set the device to sound when you lock or unlock the touchscreen.t Charging sound: Set the device to sound when it is connected to a charger.t Dialling keypad tones: Set the device to sound when you tap the buttons on the keypad.t Keyboard sound: Set the device to sound when a key is touched.t Sound quality and effects: Configure additional sound settings.