iOS 6 Jailbreak: How To Downgrade iOS 6.0.1 To iOS 5.1.1 Using Redsn0w On A4 Devices [Tutorial]

on December 06 2012 7:14 AM
iOS 6.1 Untethered Jailbreak For iPhone 5 Expected To Release On Super Bowl Sunday
With Apple releasing the final version of iOS 6.1 Monday, hackers are expected to release the long awaited iOS 6.1 untethered jailbreak Sunday. Apple

At a time when the owners of A5-based iOS devices are out of luck in terms of the availability of an untethered jailbreak for iOS 6 and iOS 6.0.1, the users of A4-enabled devices have some relief as a tethered jailbreak is currently available for both iOS 6 and iOS 6.0.1.

If you are one of those users who have upgraded their A4 devices to the latest version of Apple’s mobile operation system, iOS 6.0.1, and now want to revert to iOS 5.1.1 for all the goodness of an untethered jailbreak, you have got luck on your side.

Yes, if you have an iPhone 4 or beyond, iPod touch 4G or below running iOS 6.0.1, you can now downgrade it to iOS 5.1.1. However, you need to have your SHSH blobs (Signature HaSH blobs) saved for iOS 5.1.1 as Apple has stopped signing iOS 5.1.1.

Below is a detailed how-to guide for downgrading iOS 6.0.1 to iOS 5.1.1 using the popular jailbreaking tool Redsn0w. But before you proceed, take a note of these vital pints:

- You need the latest public version of Redsn0w (version 0.9.14b3).

- You must have an A4-based device or below.

- You must have the correct 5.1.1 firmware file for your device.

- You must have SHSH blobs saved locally on your computer or on Cydia.

Here are the steps:

Step 1: Create a folder on your desktop in which you will store all the necessary files.

Step 2: Download Redsn0w 0.9.14b3 (Windows / Mac) and place it into the folder you have created in Step 1.

Step 3: Download the 5.1.1 IPSW file for your device.

Step 4: Extract the Redsn0w.zip and run the redsn0w file.

Step 5: Click Extras > Even more > Restore. Then click IPSW and navigate to the 5.1.1 IPSW file.

Step 6: If you rely on Ultrasn0w unlock, click Yes when prompted by Redsn0w asking whether you want to "Prevent Baseband Update”. Now Click OK on the following Pwned DFU screen.

Step 7: Connect your device and follow the steps to put it into DFU mode.

Step 8: Once the device is put safely into DFU mode, it will be exploited with limera1n, after which Redsn0w will search Cydia for the required blobs.

In case the blobs cannot be located via Cydia, you can try again to double-check, or navigate to them locally on your computer.

Step 9: Redsn0w will now begin creating an image before restoring your device to the old firmware.

Step 10: After Redsn0w is done with its work, you will get to see the "restore successful" pane, which means that your device will be completely restored on iOS 5.1.1.

[Source: Redmond Pie]

Once your device is on iOS 5.1.1, you are free to perform an untethered jailbreak on it.

Update: iOS 6 Untethered Jailbreak For iPhone 5 Status Update: Pod2g, Planetbeing Make ‘Nice Progress’; 2 New Vulnerabilities Found

Must Read: iOS 6 Untethered Jailbreak For iPhone 5 Exists On iOS 6.0.2; Planetbeing Urges Users To Be Patient As iOS 6.1 Release Nears

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