Category Archives: downgrade ios 4

How to Downgrade From iOS 4.0 to iOS 3.1.3 Firmware on the iPhone

Posted on June 23, 2010 by jessestay

Recently, after the excitement of upgrading to iOS 4.0 this last week, I had need to downgrade again so I could sell it in preparation for my new iPhone 4.  There are many others who say iOS 4 is slow … Continue reading →

Posted in Apple, downgrade ios 4, downgrade ios 4.0, Howtos, http://schemas.google.com/blogger/2008/kind#post, ios, ios 1.3.1, ios 4, iphone, itunes, Technology | 5 Comments