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Change telephone number in iMessage

My partner bought an iPhone in Friday asked for her old number to be transferred over to her new sim. She had to wait until today for that to happen so started using the ewes number while she waited.


She reqistered with iTunes etc. Now her number has changed iMessage does not recognise her number as an iphone. When she sends me a message it comes through as an iMessage but from her number that has been cancelled. When I send her a message it sends as a standard text message. The phone number listed in her settings is greyed out, how can it be changed?


Thanks.

iPhone 4, iOS 5

Posted on Oct 17, 2011 7:55 AM

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Question marked as Best reply

Posted on Oct 18, 2011 1:46 AM

To change the defult phone number in iMessage, you need to:


  1. Insert the new sim.
  2. Go to Settings > Messages>Turn off iMessage.
  3. Go to General > Reset > Reset Network Settings.
  4. Once the iPhone is open.
  5. Go to Settings > Messages>Turn ON iMessage.
  6. This will recognize the new sim and have it verified.

I hope this helps. I just did it like 5 mins. ago

107 replies

Nov 14, 2011 4:32 PM in response to Chik

Chik, thank you.
i didn't even know to change FaceTime settings. while i didn't notice the old number under facetime, I turned both imessage and facetime off, restarted phone, and turned them both back on again. re-input my apple id password, and now both seem to be working fine. Facetime shows the phone number to use as my new number. I message still only shows email, but people i send messages to are confirming its coming through under my number, and not only from my apple id.

Feb 8, 2012 11:51 PM in response to davidtello

I've had a similar issue to all you guys... but my old number was with a different carrier. These methods worked for me (I used the “reset network settings” option).


I'm getting the suspicion that iMessages identifies with some ID on the sim card... and when people change their number with the same carrier they generally keep their old sim, so these methods don't work properly as iMessages & Facetime think it's the same account / number.


Although technically not a bug, it appears as though these apple systems make assumptions that don't always pay off.

Apr 27, 2012 2:37 AM in response to Superjim

😕 Anyone has other suggestion? Tried all different combination, still doesn't work.

If I were to do a factory restore and set it up as a new phone, my phone number isn't listed at all (setting > messages > receive at). Only email address is listed.


My phone number works fine though. Phone call, text messages, internet, all works fine.

Change telephone number in iMessage

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