what is -1 in apple update for iphone 4

What is -1 in apple for a update on a iphone 4 ?. The phone says connect to itunes only, I update and itunes says it cannot because of problem -1. Thanks.

iPhone 4, iOS 5.1

Posted on Jul 25, 2012 9:29 AM

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what is -1 in apple update for iphone 4

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