So can you clarify? This procedure will only allow you to root if you go back to ICS with the above mentioned tool or can we root with JB? I have the OTA too (just got the phone) and I am trying to figure out how to root this thing without destroying everything on it (mom's phone).
Or does this mean I need to wipe the JB install and just start from there? I don't understand why a wipe is necessary in JB if your not going back to ICS anyway.