[ghacks]

UNLOCK INSTRUCTIONS:
Phone must be rooted!
If the software can't root the phone automatically,
then you must root your device manually.
1. Power on the phone.
2. Enable 'USB debugging' in
'Settings'-'Applications'-'Development' for Android 2.x or
'Settings'-'Developer options' for Android 4.x.
3. Connect the phone to PC with USB cable, install drivers if needed.
4. Press 'Unlock' button.

Operation: Unlock
Selected model: SGH-T599N
Software version: 23.2

Waiting ADB device... OK
Reading phone info...
Model: SGH-T599N
Android version: 4.1.2
Product code: SGH2T599EAATMB
Phone version: T599NUVAMD4
PDA version: T599NUVAMD4
CSC version: T599NTMBAMD4
CSC country code: USA
CSC sales code: TMB
HW version: REV0.1
Phone S/N: R21F465DV3Y
Modem board: DB8520H
RF cal date: 2014.04.29
IMEI: 353739061657835
Checking Super user right... true
Reading data from phone... OK
Analysing SEC file... OK
Bypass MSL... OK
Unlocking... OK
Rebooting phone... OK
Unlock done

Done with Samsung Tool PRO v.23.2