Why is my imessage not working on my iphone 5s?

Just upgraded from the 3GS to the 5S and yesterday I noticed my imessage wasn't working. I know for a fact who in my contacts has it so it should come up blue, but it's not. Never had this issue on my old phone. It would recognized it almost immediately. This is what I did. When I got the new phone I DID NOT set up as a new device. I did the "restore from last phone" option. When I go into settings>messages it is turned on. The SMS option is turned off. When I go into send and receive only my number is show with a check mark next too it. So it should be working, no?

Turn it off and back on again. Also you have the latest patch on the OS correct? They released a patch after the initial release of iOS 7

Same issue right now…

  • Why isn't my imessage not working all of a sudden? I've always message people from imessage but from Wi-Fi. Then one day i accidentally turned it off and i tried turning it back on and it always says activation unsuccessful. I even tried reseting my network settings. I have iphone 4s and it does have ios 7. Any suggestions?
  • Why is my iPhone 5 imessage not working all of a sudden? This has never happened before. It was working fine all day up until about an hour or so ago. I tried restarting and all of the "fixes" but nothing worked… Help!
  • Why is my iMessage not working? I updated my iphone to ios7 and then i got my mom to also update her phone. We both use the same itunes account. Now, when i go to text her it send back to me from my number. Is this because of icloud? Or something else? And how do i fix it?
  • Why is my iMessage not working? - 1 My iMessage works with other iPhone users but they haven't updated to the ios7 and neither have I. I don't want too. But when I text my boyfriend my iMessage isn't working is it because he has ios7 and I don't? Any one else experiencing this?