1. From the home screen, tap Settings.
   
2. Tap Phone.
   
3. Tap Change Voicemail Password.
   Note: This option will only appear once you have set up Visual Voicemail.
   
4. Enter the current voicemail password, and then tap Done.
   
5. Enter the new desired voicemail password, and then tap Done.
   
6. Re-enter the new password, and then tap Done.