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Early today we told you that Apple has stopped signing SHSH blobs of iOS 4.0.1 and iOS 3.2.1, So Notcom has updated his popular tool "TinyUmbrella" to be able to save SHSH of iOS 4.0.2 for iPhone / iPod Touch and iOS 3.2.2 for iPad.

In case you don't know, SHSH Blobs is a unique signature which is checked against Apple servers whenever you decide to restore the firmware on any of your Device. Once a new firmware is released, Apple stops signing the older firmware, hence making it impossible to restore back to the older firmware from iTunes.

If you already have SHSH blobs of iOS 4.0.1, you can use the guide posted here to downgrade from iOS 4.0.2 to iOS 4.0.1 and use the guide posted here to jailbreak any iPhone, iPod Touch, or iPad.
Steps:
Step 1: Download TinyUmbrella latest version at the end of page.
Step 2: Make sure you are running iTunes on your Device.
Step 3: Now Connect your Device to Computer via USB
Step 4: Launch TinyUmbrella and Click on Save SHSH, Now your SHSH blob will be saved on Cydia Server by default or on your computer if you have chosen to. 

Download TinyUmbrella 4.02.04 for Windows / Mac / Linux

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