T599N Unlock Okay after ROOT
 

Selected model: T599N
Selected port: COM4 Z3X BOX Serial Port
Selected port speed: 115200
Reading phone info...
Model: SGH-T599N
Android version: 4.1.2
Product code: SGH2T599EAATMB
Phone version: T599NUVAMD4
PDA version: T599NUVAMD4
CSC version: T599NTMBAMD4
IMEI: 356433053xxxxxx
Phone S/N: R21D8A2X6SW
Checking Super user right... true
Reading data from phone... OK
Now connect phone to UART cable
Checking phone at COM4 OK
Bypass MSL... OK
Unlocking... OK
Unlock done
Codes set to 00000000
Done with Samsung Tool v.16.0

:D:D:D:D

yes all done successfully thanks for the report