I used Kies to roll to JB, 4.1.2
Used this link http://androidforums.com/threads/guide-root-rom-the-sgh-t989.627099/ last post to "Root" the phone.
Odin gave the indication that everything went as planned and PASS! showed
Rebooted to recovery
"In TWRP, Select Reboot, then System, TWRP will...