since it's asking u ..on the very first step to open Sony's app - backup and restore -which is unlike found there when u install clean custom rom.
So - I'm not saying his way isn't good -it's just furstrating that i coudlnt find this app anyway on web so went back to original room rooted -
also with other thread - http://forum.xda-developers.com/show....php?t=1742992 - Thanks to Sharaz22
and extrackted the file for you all -to have better ,faster and easier way to root with Bin4ry post.
thanks to him and all others that helps up on this great website-
i wanted to add this file as a comment on his thread -but the website think i'm dumb enough to even commnet.
so I hope - Bin4ry if u see it -plz add it to your thread.
So there it is for u.. ( u can send it to your mobile by using bluetooth\gmail\usb cable-gmail would be to easiest way for noobies i think to find it and install it through there..)
I'll soon to be posting here noobies guide for easy rooting your Xperia S in 30min - if u would want that.
i'm gratefull to xda developers i think it's about time that i'll share from all i've learned during all this years.