Block, unblock contacts and messages from your device.
INSTRUCTIONS & INFO
BLOCK: From the home screen, select the Messages app then select and hold the desired message to block.
Select the Block icon.
Select BLOCK.
Note: To block a number through Settings, from the Messaging screen select the Menu icon > Blocked numbers > select the desired option then follow the prompts to block the desired number.
UNBLOCK: From the Messaging screen, select the Menu icon then select Blocked contacts.
Select the X icon next the desired number you wish to unblock.