Selected model: T999
Selected port: COM3 Z3X BOX Serial Port
Selected port speed: 115200
Searching ADB device..
Please, allow USB debugging on phone..
Please, allow USB debugging on phone..
Please, allow USB debugging on phone..
Please, allow USB debugging on phone.. OK
Reading phone info..
Model: SGH-T999L
Android version: 4.3
Product code: SGH2T999ZWATMB
Phone version: T999LUVUBNC1
PDA version: T999LUVUBNC1
CSC version: T999LTMBBNC1
IMEI: 355880056058544
Phone S/N: R21DB0WG82F
Checking Super user right.. true
Backuping MMCBLK.. OK
Checking phone at COM3
Backuping NVM.. OK
Writing data to phone.. error
Done with Samsung Tool v.17.2
Selected model: T999
Selected port: COM3 Z3X BOX Serial Port
Selected port speed: 115200
Reading phone info..
Done with Samsung Tool v.17.2
Selected model: T999
Selected port: COM3 Z3X BOX Serial Port
Selected port speed: 115200
Searching ADB device..
Please, allow USB debugging on phone..
Please, allow USB debugging on phone.. OK
Reading phone info..
Model: SGH-T999L
Android version: 4.3
Product code: SGH2T999ZWATMB
Phone version: T999LUVUBNC1
PDA version: T999LUVUBNC1
CSC version: T999LTMBBNC1
IMEI: 355880056058544
Phone S/N: R21DB0WG82F
Checking Super user right.. true
Backuping MMCBLK.. OK
Writing data to phone.. OK
Rebooting phone.. OK
Waiting phone..
Please, allow USB debugging on phone..
Please, allow USB debugging on phone..
Please, allow USB debugging on phone..
Please, allow USB debugging on phone.. OK
Bypass MSL.. OK
Unlocking.. OK
Reseting.. OK
Unlock done
Done with Samsung Tool v.17.2