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Cannot activate iMessage after iOS update.

Cannot activate iMessage after iOS update. "Activation unsuccessful" I cannot activate it.

iPhone 4S, iOS 5.0.1

Posted on Mar 15, 2012 6:52 AM

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Question marked as Best reply

Posted on Mar 15, 2012 7:15 AM

Have you updated your iOS to 5.1? Just confirming as it says "iPhone 4S, iOS 5.0.1" in your thread.


Double check if you have credit in your mobile in order to activate iMessage.


Turn iMessage off and on again, than turn off your phone (long press display off and on button) and slide to turn off. Turn your phone back on, enter your "Apple I.D" in the iMessage window and wait till it verifies everything.


Tell us if it solves the issue.

4 replies
Question marked as Best reply

Mar 15, 2012 7:15 AM in response to handydy

Have you updated your iOS to 5.1? Just confirming as it says "iPhone 4S, iOS 5.0.1" in your thread.


Double check if you have credit in your mobile in order to activate iMessage.


Turn iMessage off and on again, than turn off your phone (long press display off and on button) and slide to turn off. Turn your phone back on, enter your "Apple I.D" in the iMessage window and wait till it verifies everything.


Tell us if it solves the issue.

Cannot activate iMessage after iOS update.

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