how to save SHSH blobs without jailbreaking
Step 1: Download the latest beta version of TinyUmbrella for Windows, Mac or Linux.
Download link of TinyUmbrella for windows::http://cache.firmwareumbrella.com/dow...
Download link of TinyUmbrella for Mac::http://cache.firmwareumbrella.com/dow...
Download link of TinyUmbrella for Linux::http://cache.firmwareumbrella.com/dow...
Step 2: Make sure you are running iTunes 9.0. iTunes 9.2 is recommended.
Download link for iTunes 10.4::(64bit)[direct link]https://swdlp.apple.com/cgi-bin/WebOb...
(32bit)[non-direct link]http://www.apple.com/itunes/download/
Step 3: Start the program and plug in any ONE of the supported iDevices (iPhone/iPad/iPod touch).
Step 4: Click on "Save My SHSH". TinyUmbrella will now grab the signature for you.
This is it ! You should be safe now. Make sure you save the signature for your iPhone,
It will be enabled again once a ticket has been generated to save it to saurik's server. iPad and iPod touch on file before Apple releases the next firmware.