1. From the home screen, tap the Messaging icon.
   
2. Tap the Menu icon.
   
3. Tap Spam manager.
   
4. Tap Spam settings.
   
5. Tap Block spam to toggle message blocking on/off.
   
6. To view and edit the list of blocked numbers, tap Spam numbers.
   
7. To add a phone number to the message block list, tap the Add icon.
   
8. Enter the desired phone number, then tap Match condition.
   
9. Tap the desired option.
   
10. Tap Save.
    
11. To delete a number from the message block list, tap the Trash icon.
    
12. Select the desired entries, then tap Delete.
    
13. Tap Yes.