wish it could be so simple,
been there, done that, same results.
Holding the Power Button + Volume Up Button simultaneously adjusts volume up (holding for 5/10/15-seconds longer has no effect).
Appreciate you reply though, and glad you found solution for your device (and confirm that someone out there has successfully rooted AFTER OTA to JB 4.1.1).
I am still in same unsolved issue, hoping for a solution.
I think the solution for my problem is here;
11-28-2012 03:41 PM #5 (Post #5 in this thread below)