My iMessage worked with iOS 7.0, but not with 7.0.2. — Apple Working to Fix iMessage Issues in iOS 7 http://mashable.com/2013/10/02/apple-fix-imessage/?utm_campaign=Feed%3A+Mashable+%28Mashable%29&utm_cid=Mash-Prod-RSS-Feedburner-All-Partial&utm_medium=feed&utm_source=feedburner