TinyUmbrella 5.1 iPAD 3, 2, iPHONE 4S, APPLE TV 3G - SAVE SHSH 5.1
iPhone Hackers NotCom has updated TinyUmbrella to version 5.10.08. TinyUmbrella 5.10.08 can save iOS 5.1 SHSH blobs for the new iPad (iPad 3), iPad 2, iPhone 4S and Apple TV 3G.
Continue reading: TinyUmbrella 5.1 iPAD 3, 2, iPHONE 4S, APPLE TV 3G - SHSH 5.1

Even though there is still no working solution for restoring 5.x on iPhone 4S I have released a 5.01.00 so you can at least save 5.0.1 SHSH. I have added tentative support for at least saving 5.0.1 SHSHs for iPhone 4S but as of now we are unable to use them fully.
As soon as more information is available I will update.
Continue reading: TINYUMBRELLA 5.0.1, 5.0 - SAVE SHSH 5.0.1 with TINY UMBRELLA 5.0
SAVE SHSH FILE

TinyUmbrella is a unified version of Firmware Umbrella and TinyTSS.
If you jailbreak your iPhone/iPod Touch or want to do so in near future, it’s a good idea to save SHSH blobs for iOS 4.3.3 to secure future jailbreak.
Continue reading: SAVE SHSH FILE - How to Save SHSH Blobs for iOS 4.3.3 to Sauriks server.