HT201422: If you get an error when trying to activate iMessage or FaceTime

Learn about If you get an error when trying to activate iMessage or FaceTime
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Q: How does iMessage work?

How does iMessage work? I understand what it does, somewhat, but, e.g., does it interact with Apple servers? How are messages sent via iMessage handled compared to non-iMessage transmissions?

iPhone 6 Plus, iOS 8.3

Posted on Apr 30, 2015 4:38 AM

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Q: How does iMessage work?

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