How do I change the iMessage to my wives phone number?

[iMore Question]

i recently unlock an iphone 4 using my itunes account, and gave the phone to my wife

Now she is unable to use imessage the section where "You can be reach by iMessage at:" is stuck with my sim card phone number in it still instead of her phone number even though in the "My Phone number section" it is showing her number. How do I get to change the iMessage you can be reach at from my number to her one so that iMessage can recognize it an complete the activation and start working. Please help!!!

 

[iOS Gravity]

Re: i recently unlock an iphone 4 using my itunes account, and gave the phone to my wife

Try restoring your iPhone if you haven't already tried resetting the network settings.