Try the following actions:
- On the home screen,
click your
Sound and Alert Profiles
icon. Verify that your profile
isn't set to
All Alerts Off or
Silent.
- If you have
created contact alerts, on the home screen, click your
Sound and Alert Profiles icon. Click Change Sounds and Alerts > Sounds for Contacts. Click a contact alert.
Click
Phone or
Messages. Verify that the
Volume field isn't set to
Silent and that the
Vibration field isn't set to
Off.