Yet another update came from well known Dev-Team, only couple of hours back. On their latest blog post this hackers group has confirmed that they have successfully downgraded A5 devices with their new Redsn0w tool v0.1.11b1. Less than a week back, the Dev-team has released their latest version of redsn0w, which was v0.9.10b8b. We reported on this issue and later on wrote another post explaining how you can jailbreak iOS 5.1.1 on A4 devices using redsn0w.
The Dev team states, “Starting with redsn0w version 0.9.11b1, those with newer devices (iPad2, iPad3, and iPhone4S) can join the downgrade fun too! In a radical departure from previous versions of redsn0w, it now directly supports restoring IPSWs to your device.”
It is indeed a radical move by the Dev team. However, downgrading you A5 devices (iPad 2, iPad 3 and iPhone 4S) requires you have your SHSH blobs from older firmware version. If you don’t have the older SHSH blobs, this tool to downgrade your iOS won’t work at all. So, make sure you have the SHSH blobs first before you mess around. Here is the screenshot of “Even More” window that has just been added.
Important Note: Even though you can downgrade your iOS on your A5 devices using the latest (v0.9.11b1) redsn0w tool, the actual problem associates with the upgrading of your firmware version. Which means, regardless the fact that you are downgrading but it won’t stop you from updating you firmware version. So the bottom line is, if you are using iPhone 4S and relying on unofficial unlock methods (ex. Ultrasn0w), you might loose it just because your firmware is updated. So, be careful. Know what exactly you are about to do.
However, you are more than welcome if you want to try it on your A5 devices. Let us know, how did it work.
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