iOS 5.1 Users will be happy to know that the famous developer and member of iPhone Dev Team – iH8sn0w found a vulnerability in iOS 5.1 firmware.

Downgrade iOS 5.1 to iOS 5.0.1 iPad 2 and iPhone 4S

Тhe vulnerability that found the popular hacker iH8sn0w, allows you to downgrade your iDevice with iOS 5.1 firmware to the previous firmware – iOS 5.0.1.

The creator of the Sn0wBreeze application yesterday announced on his Twitter profile that he was able to find a hole in the key APticket, generated in a unique way in restoring the firmware, thanks to which he was able to Downgrade iOS 5.1 firmware on your iPhone 4S or your iPad 2 tablet.
how to downgrade ios 5.1 to ios 5.0.1

Downgrade iOS 5.1 to iOS 5.0.1 on A5 devices

Of course, the iPhone 4, 3GS, iPad 1 and iPod touch owners can jailbreak iOS 5.1 with Redsn0w 0.9.10b6 , but this is tethered jailbreak. In other words, these devices must be connected to your computer after every reboot.

Untethered Jailbreak iOS 5.1 Status

We must wait for new jailbreak exploit which allows Untethered iOS 5.1 Jailbreak including the iPhone 4S, iPad 2, and the new iPad 3.

This method of iH8sn0w will downgrade your firmware to iOS 5.0.1 and you can implement the untethered jailbreak. The developer promises to release the appropriate decision in the near future. As always, your SHSH blobs must be saved to downgrade to iOS 5.0.1 firmware.

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Stephan Popov
When iDevice users experience problems with the iOS software or unlocking, it is not uncommon for their lives to unravel. My passion is providing answers to your problems. I help iPhone, iPad and iPod Touch users by recommending fixes for common iOS bugs and tools that improves your experience. I conduct in-depth research for every topic i cover on this blog, to ensure that I cover everything Apple users need to troubleshoot their issues. When not writing for UnlockBoot, i enjoy swimming in my backyard pool. P.S. i prefers the Maldives for holidays. Connect with me on Facebook, Google Plus and Twitter.