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  1. #1
    Uncle Wulf
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    I have an iPhone 4S (AT&T) that Ive had for about four months. Not jailbroken or anything, just plain vanilla. This evening I was trying to update to iOS 6.0, using iTunes on a computer running Winbloze 7 starter. The update failed, and iTunes reports an "Unknown Error: 1604." Anybody got any ideas as to WTF happened?


    See More: Updating iPhone 4S to iOS 6: update failed. Help?
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  2. #2
    Uncle Wulf
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    Re: Updating iPhone 4S to iOS 6: update failed. Help?

    Further info: After the failed update, iTunes reported an iPhone in Restore Mode. Said I had to restore it before I could update, etc. OK... Click restore. iTunes extracts software, time passes, and it presents me with a "Restore Failed" notice.



    What to do now?...
    Last edited by Uncle Wulf; 09-22-2012 at 03:54 PM. Reason: fixed image size...
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  3. #3
    Uncle Wulf
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    Re: Updating iPhone 4S to iOS 6: update failed. Help?

    OK... Smart phone, dumb biker.

    Problem turned out to be that I was using the wrong USB port. iPhone needs a USB 2.0 port, or it wont do an upgrade or restore. I'd been using a USB 1.0 port all along for syncing, and it worked. But it didnt occur to me to check the port types directly.

    The bottom line: Wulf outsmarted himself again...
    camstuf likes this.
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  4. #4
    tavenger5
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    Re: Updating iPhone 4S to iOS 6: update failed. Help?

    Thanks for posting the solution! Sorry you were having issues.
    John

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  5. #5
    Uncle Wulf
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    Re: Updating iPhone 4S to iOS 6: update failed. Help?

    These things happen, my friend. Though I wish they'd stop happening to me...

    I try to always follow up on my 'problem posts' on various forums. Maybe another user will benefit from my experience.
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  6. #6
    wwjw.com
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    Re: Updating iPhone 4S to iOS 6: update failed. Help?

    Hi,there.I updated my iPhone to ios6.1.1 several days ago.In general.there''re two ways to make it.First is to update with the iPhone itself.Settings-Common use- Software update.You can directly update here.
    The other way is what I suggest.Use iTunes to update your iPhone.
    Last edited by wwjw.com; 01-09-2013 at 01:10 AM.
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  7. #7
    letahowards
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    Re: Updating iPhone 4S to iOS 6: update failed. Help?

    when the os does not load and all you get is the logo repeatedly booting:

    1 pop out the back plate, and then the screw connecting the battery.

    2 just unplug the sensor cable and snap it back in.

    make sure the iPhone is connected to a power source (though not pertinent if the battery has enough juice)

    Read more about iPhone Tips: http://www.iphone-mac.com/
    Last edited by letahowards; 04-04-2013 at 01:36 AM.



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