How to downgrade iPhone 4S iOS 6.0.1 to 5.1.1 after evasi0n jailbreak?

I need to know if there is any method by which I can able to downgrade my iphone 4s running iOS 6.0.1 to iOS 5.1.1 after I apply the recent jailbreak by evasi0n.
and btw i don't have any of my SHSH blobs saved neither locally nor at cydia.

If you were previously jailbroken on 5.1.1 then follow this tutorial:

If not, then there is no way to downgrade unfortunately.