HT201270: Update your carrier settings on your iPhone or iPad

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LinPingPing
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Q: Hi! Does anyone's phone constantly become "No Service" after install iOS5.1?

After installing iOS 5.1.1, my phone become "No Service" after using for few hous. What should I do to stay with the carrier, so I can make and receive calls and messages?

iPhone 4S, iOS 5.1.1

Posted on Aug 21, 2012 4:15 PM

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LinPingPing

Q: Hi! Does anyone's phone constantly become "No Service" after install iOS5.1?

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