Samsung T989 4g android unlock by z3x.

T989 Galaxy s2 T-Mobile Android 4G Unlock Done

TOOLS

Z3X Box ( Samsung )
*take note version 12.1 samsung tools.. tested *
Micro USB 5310

PROCEDURE

Go to Menu->Settings->Applications->Development.
Turn on "USB Debugging" option.
When message is appear press "Yes".
Go to dial window.
Enter "*#7284#" number.
Set "USB" radio button to "Modem" value.
Close window.
Go to dial window.
Enter "*#9090#" number.
Set "Diag config" to "USB" value.
Restart phone
connect phone thru usb..select po port nya..hit unlock..