1. From the home screen, press the Menu key.
   
2. Tap All settings.
   
3. Under the 'Sound' tab, tap Vibrate strength to edit vibration alerts.
   
4. Drag the Notification slider to the desired intensity level. Drag all the way to the left to disable.
   
5. Tap OK.
   
6. To change notification sounds, scroll to, then tap Default notification sound.
   
7. Tap the desired sound.
   
8. Tap OK.
   
9. To change messaging alerts, from the home screen, tap Messaging.
   
10. Press the Menu key.
    
11. Tap Settings.
    
12. Tap Notification.
    
13. Edit messaging notification settings as desired.