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Redsn0w Allows iPhone 4S, iPad 2, New iPad Downgrade From iOS 5.1.1

The jailbreak community doesn't ever stop looking for new challenges to overcome - with developer, MuscleNerd, showing particular interest in every last aspect of the situation.

His methods allow iOS users to downgrade their devices to previous versions of Apple's mobile OS. The latest release from MuscleNerd, Redsn0w 0.9.11b1 Update, supports downgrading from iOS 5.1.1 to iOS 5.1 and iOS 5.0.1.

The update works on the second and third generation iPad, as well as the latest iPhone. The developer explains in the Dev Team blog that the downgrade is not without is caveats.

"You cannot downgrade without the personalized SHSH blobs for your device at that lower firmware. You need to have fetched those blobs while the signing window was open, using either Cydia's built-in TSS@Home feature, or with TinyUmbrella."

Interested jailbreakers also need to know that the A5 downgrade method first updates to the latest firmware, and only then performs the downgrade. The star of the community, however, is pod2g who promised an iOS 5.1 untethered jailbreak.

He managed to jailbreak his new iPad but there are a few adjustments that need tweaking before the public release.

Source: iPhone Dev

Radu has been working as a freelance writer for more than five years and has been blogging around since 2004. He is interested in anything Apple as well as gaming and mobile applications.