How to Downgrade iOS 4 or iOS 4.0.1 iPhone iPod touch to iOS 3.1.3(Mac) | CutViews - Ap... - 0 views
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shah shazwaz on 20 Jul 10If you want to go back to iPhone 3.1.3 / 3.1.2 or Downgrade iOS 4, iOS 4.0.1 iPhone iPod touch to 3.1.3 / 3.1.2 the following step by step guide will help you downgrade to 3.1.3 / 3.1.2 . you have need to saved SHSH blobs, old firmwares 3.1.3 or 3.1.2.