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firmware file is not compatible

Hello, i am trying to update my iPhone 4 to 5.1.1 but i get a message from Itunes that ''the iphone could not be updated because the firmware file is not compatible''.

What can i do?

Thanks

Joe

iPhone 4, iOS 5.1

Posted on Jun 25, 2012 2:25 AM

Reply
12 replies

Aug 2, 2012 6:09 AM in response to Lawrence Finch

Sorry about that - it was a typo. I am using 10.6.3. I have tried using a different computer (Sony laptop) and the upgrade works fine. The laptop is on the same network and using the same firewall so I have no idea why I could not upgrade via my desktop (Dell Vostro). The only possibility is that the desktop has multiple USB connections and the laptop has none. Thanks to all who tried to help 🙂

firmware file is not compatible

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