phone is not SHOWING IN Z3X BOX, why?? how to unlock SCH-T199

Hello,

THIS PHONE IS ALREADY UNLOCKED HERE : –
http://forum.gsmhosting.com/vbb/f453…fully-1925163/

I am trying to unlock this phone SGH T199, I installed all drivers in computer but z3x box is not detecting phone in port, why???

how to UNLOCK THIS PHONE? HOW TO DETECT PHONE IN Z3X BOX??