How to downgrade iPhone 4S, iPad 2 and the new iPad 3 from iOS 5.1.1 to 5.0.1? Well, few hours ago we reported you about the new Redsn0w 0.9.11b1 which brought the first downgrade solution for A5-devices.
I highly recommend to read these important notes before following the below tutorial. Now let me show you how to downgrade iPhone 4S an iPad 2 from iOS 5.1.1 / 5.1 to 5.0.1 to enjoy untethered jailbreak.
Requirements to Downgrade iPhone 4S / iPad 2 from 5.1.1 to 5.0.1:
- Download Redsn0w 0.9.11b1 – Windows / Mac
- Download iOS 5.1.1 for your device
- Download iOS 5.0.1 for your device
- You must have your SHSH blobs for iOS 5.0.1 (Either stored by TinyUmbrella or on Cydia)
How to Downgrade iPhone 4S / iPad 2 from 5.1.1 to 5.0.1:
Step 1: Open Redsn0w then place your device on DFU mode (Extras > Pwned DFU)
Step 2: Now you have to point Redsn0w to firmware ipsw of the iOS you will downgrade to (iOS 5.0.1) then you have to point it to latest iOS version (iOS 5.1.1). Navigate to Extras > Even more > Restore > IPSW. Now point Redsn0w to iOS 5.0.1 ipsw file, once locate it, Redsn0w will ask you for latest firmware ipsw (iOS 5.1.1
Step 3: Now you have to locate saved SHSH blobs. If you have jailbroken your device, you should find them on Cydia, and therefore you can use the Remote option. If you have saved your SHSH blobs using TinyUmbrella, choose local and browse your computer for your Save SHSH blobs.
Step 4: Now Redsn0w will upgrade your device to hacked version of iOS 5.1.1 then downgrade it to iOS 5.0.1. Congratulation.
How to Downgrade iPhone 4S / iPad 2 from 5.1.1 to 5.0.1 [Video]:
Last step, now you have to jailbreak your iPhone 4S or iPad 2 on iOS 5.0.1 using Absinthe Greenpois0n.
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