can't update iphone to ios 5 - unknown error (-1)

Hi,

Has anyone had this problem - update stops with unknown error (-1) while more than 50% of update is done?

Also it doesn't matter whether you update it on mac or pc.

Thanks in advance for any tips.

Posted on Oct 16, 2011 1:48 AM

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can't update iphone to ios 5 - unknown error (-1)

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