iMessage is Apple's built-in instant messaging (IM) service. It lives inside the Messages app on iPhone, iPad, Mac, and Apple Watch. On the iPhone it works alongside — and often replaces — carrier SMS and MMS. On the iPad provides similar functionality, allowing you to send text, picture, video, voice memo, location, contact, and other types of messages to anyone else using an iPhone, iPad, or Mac.
21 September 2013 153By Rene RitchieiMessage and FaceTime are wonderful, empowering, enabling technologies that... can frustrate the crap out of you at times. One of those times is when you update or restore your iPhone, iPod touch, or iPad to a new operating system - like millions of people just did with iOS 7 - and it stops working. If you're having trouble with iMessage or FaceTime, if they won't activate or simply won't work, here are some things you can try: