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What is TinyUmbrella ?

TinyUmbrella is an utility for Windows and MAC which allows users to save SHSH Blobs or Digital Signatures for Apple Devices (iPhone, iPad and Apple TV) locally, this allows restores to older firmware's which are no longer officially supported by Apple. TinyUmbrella works the magic by running locally as a proxy to iTunes, intercepting and faking the communication while iTunes thinks it is communicating with Apple servers for authenticating the firmware restore as permitted irrespective of what Apple Servers allow and disallow. This feature becomes indispensable for users relying on "Software unlocks" which are supported on older firmwares and basebands, as Apple restricts restores to these exploited versions forcing users to newer versions of iOS.

What is SHSH Blobs ?

These are backup files of firmware digital signatures which are needed to restore an Apple device, Apple generates these based on hardware keys of the device and the hash of the firmware - which makes them unique for every device. It is to be noted that Apple only issues signatures for the currently-available, current iOS version. What TinyUmbrella does is to save these digital signatures locally for later use, when Apple does not allow them.

How to save SHSH Blobs using TinyUmbrella ?

Simply download the TinyUmbrella utility (links provided at the end of this blog post), and connect your device. Once detected click the "Save SHSH button" and it's done, if having errors look at our TinyUnmbrella troubleshooting guide.

If you have an Apple iPhone without a working WiFi connection and you are dependent on the Ultrasn0w software unlock, you are stuck in a sort of classic "Chicken or the egg" dilemma - you dont have an WiFi internet connection and you can't use your cellular data network until you unlock your phone by first downloading ultrasn0w via Cydia !!!

Thankfully, we have solutions to install ultrasn0w manually as blogged earlier - however, the trick shared earlier is outdated now and UltraPusher is no longer updated. We can still get things done manually as instructed ahead.

TinyUmbrella is an indispensable tool in the war between jailbreaking community and Apple, the software allows users to save their iDevice SHSH files making it possible to later downgrade or restore a firmware (.IPSW) even when Apple has blocked that forcing users to upgrade to a newer version.

If you are having issues trying to use TinyUmbrella and error shown is "Cannot Start TSS Service" and the status shows "TinyUmbrella's TSS server is not running" with option to start the server disabled, here is a quick and easy solution to the problem.

You could encounter the "Windows Java Installer Error 1723" during JRE installation, chances of this error are even higher when trying uninstallation of a newer Java version followed by installation of an older version. Things get really annoying when the solution provided (deletion of registry key) at Java and other websites/forums fails to solve the issue. After a lot of hit and trial, I finally got it solved as instructed ahead.