AT&T has started rolling out the official Android 4.1.1 Jelly Bean build 3.18.502.6 on HTC One X . For those who lost root access after the update and wants to get the root back again, there is now a rooted stock 4.1.1 3.18.502.6 for you all. The stock is already injected with superSU root, deodexed, busybox and added with system write protection fix.
This method is for those advance user only that exactly knows how to tweaks their HTC One X devices. If you knew how this all things work just head over at XDA-Developer forum [utkaar099] has prepared it for all One X modders.