If you got SHSH Blobs of any previous firmware, So no one can stop you from going back to the previous iOS and enjoy the Untethered Jailbreak. We all know that Apple released iOS 5 and with the release of iOS 5, Apple has closed all the doors for SHSH Blobs saving. But props to the hackers of iOS who never gave up and by the end of the day, they came with a solution. The solution was at first Tentative and later on it was made prominent and useful. If you don’t know about what we are talking is, So we are talking about the two great tools by two different hackers. One is Tiny Umbrella (by NotCom) and the other one is iFaith (By ih8sn0w).
These two tools save SHSH Blobs for iOS Devices. The only difference is that, iFaith saves the current SHSH blobs, where as Tiny Umbrella saves current and future SHSH Blobs. Now those of who you got SHSH Blobs saved for iOS 4.3.3 can easily downgrade from iOS 5.x and retain the previous Untethered Jailbreak. Many of you might have updated to iOS 5 in order to enjoy the new look of UI, Notification and iCloud. Those who got bored and are trying to find a way on getting back to iOS 4.3.3 to get the Untethered Jailbreak can now follow the guide below and retain the previous Jailbreak.
To follow the guide below you must got your SHSH Blobs for iOS 4.3.3 saved. If you haven’t got the SHSH blobs saved for iOS 4.3.3, So there is no way by which you can downgrade.
Steps to Follow:
Step 1: Put your device into DFU mode.
Step 2: Verify that your Hosts file is devoid of any Apple references (see video)
Step 3: Open RedSn0w > Go to Extras > Click PwnedDFU. Your screen should remain black on your iDevice.
Step 4: Open TinyUmbrella, click Start TSS Server
Step 5: Open iTunes hold Option+Restore (Shift+Restore in Windows) and select the iOS 4.3.3 Firmware.
Step 6: If you receive Recovery Error (1), close out of iTunes.
Step 7: In TinyUmbrella click Advanced and uncheck “Set Hosts to Cydia on Exit…” Close TinyUmbrella.
Step 8: Open RedSn0w > Go to Extras > Click Recovery fix. Your screen should look as if the device is being jailbroken. It should then go back to a solid black screen.
Step 9: Open RedSn0w > Go to Extras > Click Just boot. Your device will now boot and you should see the Pwnapple logo. Your device should now be successfully back on iOS 4.3.3
Step 10: Open iTunes to activate your device.
This guide is for all the A4 and previous iDevices. Some steps from this guide might not work on iPad 2. Special thanks to Jeff Benjamin of IDB for taking out time and making a video.