[Tutorial] Guide to Downgrade iPhone 4S / iPad 2 from iOS 5.1.1 to 5.0.1

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Here is the good news for the users who have accidently upgraded there A5 devices to ios 5.1.1 and now wanted to go back to old firmwares.If the user have saved there SHSH blobs then they can downgrade there firmware to any firmware they want.we recently shared this news of downgrading to all of you,here is the procedure to do it !

The updated version of RedSn0w will allow you iPhone 4S, iPad 2 and iPad 3 owners to downgrade iOS 5.1.1 to any previous firmware you want. And I’m gonna show you how to.


How To Downgrade iPhone 4S / iPad 2 from 5.1.1 to 5.0.1:

Step#1 Run Redsn0w and connect your iDevice and place it on DFU mode (From Extras> Pwend DFU).

Step#2 Navigate to Extras > Even more > Restore and click IPSW under the IPSW section. RedSn0w will then ask you for your iOS 5.0.1 IPSW. Once you locate iOS 5.0.1, RedSn0w will ask your for the latest firmware (iOS 5.1.1).

Step#3 Locate your saved SHSH blobs, it will be available on Cydia if you jailbroke iDevice before and then use Remote option. If you saved your SHSH blobs with TinyUmbrella, then choose Local and browse your computer for your blobs.


Step#4 Redsn0w will upgrade your device to hacked version of iOS 5.1.1 then downgrade it to iOS 5.0.1.


Congrats,You have successfully downgraded your device.

After downgraded, if you wanna jailbreak your iPhone 4S, iPad 2 or iPad 3 on iOS 5.0.1 then use Corona-A5 directly from RedSn0w, or you can use the Absinthe Greenpois0n tool [ modmyi link: guide to jaibreak using absinthe] to jailbreak as well.

Source: [Wikijailbreak]