How to Downgrade iOS 5 to iOS 4.2.8 for iPhone 4 CDMA

By Joy | Jun 10, 2011 | In Mac
Filed Under : downgrade ios 5 downgrade ios 5 to ios 4.2.8 downgrade ios 5 to ios 4.2.8 for iphone 4 cdma

Do you know how to downgrade iOS 5 to iOS 4.2.8 for iPhone 4 CDMA ? You have an CDMA iPhone which you need to downgrade to 4.2.8 and running iTunes 10.5 Beta. You have your SHSH blobs saved on Tiny Umbrella. when you plug in your phone now, all you get is the Plug to itunes screen, you can't even get to the iOS 5 setup screen. It is recognized in iTunes, but not really in TinyUmbrella. Here will tell you how to downgrade iOS 5 to iOS 4.2.8 for iPhone 4 CDMA.

How to Downgrade iOS 5 to iOS 4.2.8 for iPhone 4 CDMA

The following step-by-step guide will help you a lot to solve the problem how to downgrade iOS 5 to iOS 4.2.8 for iPhone 4 CDMA, Maybe you have done it : iOS 5 Beta Download. But the steps are really simple as follows:

Step 1. Uninstall iTunes beta 10.5

Step 2. Delete this iTunes folder: C:\Users\"user"\MyMusic\iTunes

Step 3. Install the latest iTunes, not the beta 10.5

Step 4. Download the iOS 4.2.8 firmware

Step 5. Open iTunes Put your phone in DFU mode

Step 6. In iTunes, hold the "shift" key and click restore

Step 7. Navigate to the iOS 4.2.8 firmware

Step 8. Follow the prompts and it is done.

Now you are successful to downgrade iOS 5 to iOS 4.2.8 for iPhone 4 CDMA.