iPhone News - How to Downgrade iOS 4.0.2 to iOS 4.0.1 / 4.0 iPhone 4, 3GS, news - Sat Aug 14, 2010 7:08 pm Post subject: How to Downgrade iOS 4.0.2 to iOS 4.0.1 / 4.0 iPhone 4, 3GS,
How to Downgrade iOS 4.0.2 to iOS 4.0.1 / 4.0 iPhone 4, 3GS, iPod touch Step 1: Download the required old ipsw firmware files. Step 2: Put your