- To block a number, from the Start screen, tap the Messaging tile.
- Tap and hold the message thread you want to block.
- Tap Block contact.
- Tap Block.
- To view a list of blocked numbers, from the messaging threads, tap the menu icon.
- Tap Blocked messages.
- Tap the menu icon.
- Tap Block list.
- Your blocked numbers list will be displayed.
- To unblock a number, tap and hold the desired number.
- Tap unblock number.
- The number is now unblocked.