1. To decrease the ringtone volume, press the Volume Down key.
   
2. To enable vibrate mode, with the volume at the lowest possible setting, press the Volume Down key.
   
3. While Vibrate mode is enabled, the Vibrate Mode icon will be displayed in the notifications bar.
   
4. To enable silent mode, while on vibrate mode, press the Volume Down key.
   
5. While Silent mode is enabled, the Silent Mode icon will be displayed in the notifications bar.
   
6. Tap the Volume Settings icon to view the volume settings.
   
7. To increase the ringtone volume, from the home screen, press the Volume Up key.