1. From the home screen, tap the Messages icon.
   
2. To add a number to the message block list, tap and hold the Desired message.
   
3. Tap Register spam number.
   
4. Tap YES.
   
5. To remove a number from the message block list, tap the More icon, then tap Spam manager.
   
6. Tap Spam settings.
   
7. Tap Spam numbers.
   
8. Tap and hold the Desired number then tap Delete.
   
9. Tap YES.