Samsung
s3 T999 unlock Done
Enable usb debug
if not show enable USB Debugging option go to settings>about device>tap build number several times.
- Enter "*#7284#" ( DO NOT SELECT MODEM )
- Go to "Qualcomm USB Settings".
- Enter *#0808#
- Select "DM + Modem + ADB". save
- Wait till drivers be installed...
- Press unlock.
Selected model: T999
Selected port: COM185 SAMSUNG Mobile USB Serial Port
Selected port speed: 115200
Searching ADB device... OK
Reading phone info...
Model: SGH-T999
Android version: 4.3
Product code: SGH-T999RWCTMB
Phone version: T999UVUENC2
PDA version: T999UVUENC2
CSC version: T999TMBENC2
IMEI: 353022050160867
Phone S/N: R21C61W2CGN
Checking Super user right... true
Backuping MMCBLK... OK
Checking phone at COM185
Detected ID: 00000FE5 (MSM8960)
SW Version: M8960A-AAAANAZM-1.0.443091
Reading ESN... OK
Backuping RFNV... OK
Backuping Feature Mask... OK
Backuping NV Item... OK
Backuping NV Item SIM1... OK
Backuping NV Item SIM2... OK
Backuping Provisioning Item Files... OK
Writing data to phone... OK
Rebooting phone... OK
Waiting phone... OK
Reading phone info...
Model: SGH-T999
Android version: 4.3
Product code: Not Active
Phone version: T999UVUENC2
PDA version: T999UVUENC2
CSC version: Unknown
IMEI: Unknown
Phone S/N: R21C61W2CGN
Bypass MSL... OK
Unlocking... OK
Reading QCN file... OK
Checking phone at COM185
Detected ID: 00000FE5 (MSM8960)
SW Version: M8960A-AAAANAZM-1.0.443091
Checking paths... OK
Restoring EFS Backup... OK
Restoring NV Items... OK
Restoring NV Item SIM1... OK
Restoring NV Item SIM2... OK
Restoring Provisioning Item Files... OK
Reseting... OK
Unlock done 
Done with Samsung Tool v.18.8
Thanks z3x Team