1. BLOCK NUMBER: Select the Phone app from the home screen.
   
2. Select the Menu icon, then select Blocked contacts.
   
3. To add a phone number or contact to your blocked list, select the Add icon. 
   
4. Select the desired option.
   Note: In this tutorial, 'Add number' was selected.
   
5. Enter the desired phone number, then select OK.
   
6. UNBLOCK: To remove a blocked phone number or contact, select and hold the desired phone number. Select Unblock contacts.
   
7. Select OK.