Download RedSn0w
RedSn0w 0.9.11b1 for Windows users. RedSn0w 0.9.11b1 for Mac users. Note: If you are Windows user then don't forget to Run the tool as Administrator. But if you want to start making iOS 5.1.1 downgrade then first listen to me.You need to back up SHSH blobs of the iOS firmware to which you want to downgrade to. You may want to downgrade new iOS 5.1.1 on A5 (A5X) devices because there is no untethered jailbreak for new iOS yet. To back up SHSH blobs is essential thing for downgrade. If you are downgrading your iOS to lower firmware you have to supply Apple with SHSH blobs of the lower version for certification. If all goes correct and Apple servers take shsh files and approve them you'll be able to use iOS firmware you want. Without SHSH blobs saved you can’t to perform downgrade. That’s why it is important to save them. The detailed tutorial guide on how to perform iOS 5.1.1 downgrade on A5 (A5X) devices will come soon. Stay tuned with us and you will see it. Also you can leave your suggestions in the comment version below. Update: Here is the tutorial guide which you can use to downgrade iOS 5.1.1 using RedSn0w 1.9.11b1.Recent Blog
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