I cannot receive SMS! Why? Darlene December 08, 2017 11:07 Updated Follow Please check that you have not blocked your contact. Instructions to block or unblock a contact can be found here: How do I block someone? How do I unblock someone? Related articles How do I block someone? How do I unblock someone? I cannot send SMS! Why? I don't see my messages after the update! I have lost my assigned number How do I send a message or SMS?