How to Update Your iPhone 4 Without Upgrading the Baseband (Windows) 4.3.1

How to Update Your iPhone 4 Without Upgrading the Baseband (Windows) 4.3.1

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JC - October 14, 2011 at 6:20pm
Hi. I would like to know if this procedure works to upgrade an iphone 4 from IOS 4.3.5 to IOS 5??? Thanks... JC