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iOS 5.0 9A334 is better than iOS 5.0.1 9A405 and 9A406?

After upgradingiosversion5.0.19A405and9A406later,myiphonecontinuallylostphone signal.It constantlysays "InvalidSIMcard""nosiminstalled" Everythingwas finefromiosversion5.09A334.Howcan Ireinstalliosversion5.09A334or handlethe error?

I'm using iphone 4S world.

iPhone 4S, iOS 5.0.1

Posted on Jan 29, 2012 8:48 PM

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iOS 5.0 9A334 is better than iOS 5.0.1 9A405 and 9A406?

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