1. BLOCK: From the home screen, select the Messaging app then select the desired message to block.
   
2. Select the Menu icon, then select Block number.
   
3. To delete all messages from the sender, ensure the Delete all messages from this number circle is selected. Select BLOCK to confirm.
   Note: To block a number through Settings, from the Messaging screen select the Menu icon > Settings > Message blocking > Blocked numbers > Add icon > select the desired option then follow the prompts to block the desired number.
   
4. UNBLOCK: From the Messaging screen, select the Menu icon then select Settings > Message blocking > Blocked numbers.
   
5. Select the Delete icon. Select the desired number(s), then select REMOVE.
   Note: You will be prompted to select REMOVE again to confirm.
   
6. TURN ON/OFF BLOCK UNKNOWN NUMBERS: From the Message blocking screen, select the Block unknown number switch.