1. Push the Volume buttons on the right side of the phone to raise or lower the volume.
   
2. To quickly set the phone to vibrate, press the Volume down button until Vibrate is displayed.
   
3. To enable silent mode, tap the More icon.
   
4. To set the device to vibrate, tap VIBRATE ON.
   
5. To change the ringtones and reminders, from the Start screen, tap the Settings icon.
   
6. Tap Personalization.
   
7. To access the phones alert sound options, tap Sounds.
   
8. To change ringtones, tap the Ringtone field.
   Note: For steps to assign a ringtone to a contact, please see the 'Contacts' tutorial.
   
9. Tap the Desired ringtone.
   
10. To set the sound for reminders, tap Manage App Sounds.
    
11. Adjust settings as desired.