Sgh-t399n security damaged

PLEASE HELP ME UNLOCK SGH-T399N

Operation: Read Codes
Selected model: SGH-T399N
Software version: 25.0

Waiting ADB device… OK
Reading phone info…
Model: SGH-T399N
Android version: 4.4.2
Product code:
Phone version: T399NUVUANK3
PDA version: T399NUVUANK3
CSC version: T399NTMBANK3
CSC country code: USA
CSC sales code: TMB
HW version:
Phone S/N: 00000000000
Modem board: SS222
RF cal date:
IMEI: 350695200123951
Checking Super user right… true
Reading nv data… OK
Security damaged

Done with Samsung Tool PRO v.25.0