How do I update iOS after downloading the files from a direct link??
closed as off topic by Diogo, 8088, Randolph West, Kyle, Nifle Jul 22 '12 at 9:54
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In iTunes, select your device, and hold down the Shift key and press "Restore". A dialog box will pop up asking you for the location of the ipsw file. Select your downloaded file and you're good to go!