T599n unlock problem

i have this:

Selected model: T599N

Selected port: COM5 Z3X BOX Serial Port

Selected port speed: 115200

Searching 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

IMEI: 356XXXXXXXXXXXX

Phone S/N: XXXXXXXXXXXX

Checking Super user right... true

Reading data from phone... OK

Now connect phone to UART cable

Checking phone at COM5 OK

Bypass MSL... OK

Unlocking... OK

Unlock done

Codes set to 00000000

Rebooting phone... OK

Done with Samsung Tool v.18.0

Done with Samsung Tool v.18.0



when i insert the 8 zeros coe to unlock it says unlock unsucsseful.. any idea????

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