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Post originale di: albiejames ,


According to the Apple support page, error 9 correlates to your antivirus software or your firewall hindering connection with Apple's update servers while error 14 correlates to an interrupted USB connection. So check your antivirus make sure that its not blocking iTunes and check your USB cord make sure its not broken in any way or use another cord.

For me, I prefer to always download the latest firmware from and then boot the iPhone into DFU mode and then do a shift+restore from iTunes. I never run into any errors through that way.

For your reference to any iTunes errors

Best of luck