[electro-hayani]

hi guys if you want to unlock this model with z3x do this :
To connect SGH-T899M phone you have to perform the following
steps:
1. Disconnect cable from phone.
2. Go to dial window.
3. Enter ##634# number.
4. Input *#7284# code.
5. Select "QC RmNetComposite" option.
6. Press "OK" button.
7. Wait until phone restart.

8.connect to pc then install drivers !

9. choose on Z3X model SGH-I317 then choose Selected port: COM81xx Qualcomm HS-USB Diagnostics 9001
Software version: 25.2

Then click unlock and see its done

Reading phone info...
Reading IMEI... OK
IMEI: 3543410501*******
Unlocking... OK
Reseting... OK
Unlock done

Done with Samsung Tool PRO v.25.2

thanks