1. To adjust the volume, press the Volume keys.
   
2. To set the phone to vibrate, press the Volume Down key until the phone vibrates.
   
3. To set the phone to silent, press the Down Volume key until the Silent icon appears on-screen.
   
4. For more volume settings, tap the Settings icon.
   
5. Adjust the settings as desired.
   
6. When the device is set to vibrate, a Vibrate icon will appear in the Notifications bar.
   
7. When the device is set to silent, a Silent icon will appear in the Notifications bar.