Info: What is TinyUmbrella? TinyUmbrella lets you save SHSH blobs for your iPhone, iPad, iPod Touch and Apple TV right from Apple Server and also from Cydia. SHSH blobs are required if you plan to downgrade device firmware to an older version.
You can save iOS 4.3.3/4.2.8 SHSH blobs for iPhone, iPad, iPod Touch using new version of TinyUmbrella 4.33.00 that Supports iOS 4.3.3/4.2.8.
To save SHSH Blobs for iPhone, iPad, iPod Touch, download latest version of TinyUmbrella and then run it. Connect your iPhone 4, iPhone 3GS, 3G, iPod Touch 4G, 3G 2G, iPad or Apple TV 2G to your computer. TinyUmbrella will automatically detect it. Make sure iTunes is closed. Now hit the Save all SHSH button at Top-Right side of the window.
TinyUmbrella will now save SHSH blobs of the latest firmware and all those blobs that you had saved for older firmwares (if any) on Cydia server. This will also generate a ticket to save SHSH blobs for the latest firmware to Cydia server.
Thats it. You have secured your future jailbreak by saving SHSH blobs for iOS 4.x using TinyUmbrella. You can find the saved SHSH file directory under advanced Tab on TinyUmbrella and Cydia will also display your Saved SHSH blobs/status pending.