Lg ls670 (optimus s) root help

[rod720]

I rooted my old optimus s but i can't find a way to do a back up and i need a rom

 

[B. Diddy]

Here's a ROM: http://forums.androidcentral.com/lg...58-rom-jb-4-1-2-slimrom-ls670-3-1-build3.html