1. From the Start screen, tap the Call icon.
   
2. To block a recent call, touch and hold the desired call under history.
   
3. Tap block number....
   
4. Edit the desired details, then tap the Save icon.
   
5. Tap ok.
   
6. Tap ok.
   
7. To add a blocked call, from the Call app, tap the More icon.
   
8. Tap blocked calls.
   
9. Tap the More icon.
   
10. Tap settings.
    
11. Tap the call blocker switch to turn On.
    
12. Tap view blocked numbers.
    
13. Tap the + icon.
    
14. Tap the phone number field, then enter the desired phone number.
    
15. Tap the name field, then enter the desired name.
    
16. Tap the Save icon.
    
17. Tap ok.
    
18. Tap ok.
    
19. To delete a blocked number, tap the List icon.
    
20. Tap the desired checkbox(s).
    
21. Tap the Delete icon.
    
22. Tap ok.
    
23. Tap ok.