1. From the home screen, tap the Messages icon.
   
2. Tap the Menu icon.
   
3. Tap Block list.
   
4. Tap the Add icon.
   
5. Tap Choose from contacts.
   
6. Tap the Search field to enter the name of the desired contact.
   
7. Tap the desired contact.
   
8. Tap SAVE.
   
9. Tap OK to block the desired contact.
   
10. To unblock a number, from the home screen, tap the Messages icon.
    
11. Tap the Menu key.
    
12. Tap Block list.
    
13. Tap the desired contact to unblock.
    
14. Tap Block contact.
    
15. Tap OK.
    
16. The selected contact has been unblocked.