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I keep getting an "invalid sim" error on my 4s!

Just received my new AT&T phone today. Set it up with no problems. Then I get an "invalid sim" message. After rebooting a couple of times it goes away, but it keeps coming back. Thoughts?

iPhone 4, iOS 5

Posted on Oct 14, 2011 9:08 PM

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I keep getting an "invalid sim" error on my 4s!

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