1. From the home screen, tap Dialer.
   
2. Tap the Menu icon.
   
3. Tap Harassment filter.
   
4. Tap Blacklist.
   
5. Tap ADD CONTACTS to add a contact to the Blacklist.
   
6. Tap the desired option.
   
7. Tap the Phone number field to enter the desired phone number to block.
   
8. Tap the Name field to enter the contacts name.
   
9. Tap OK.
   
10. To remove a contact from the Blacklist, tap Remove.
    
11. Tap the tickmark to disable restoration of messages.
    
12. Tap Remove.
    
13. The call blocking feature may not affect phone calls made or received via third-party apps installed on your device. Please contact third party app developers for assistance with such applications.