2) Download Driver for Samsung,DOWNLOAD HERE
3) Extract The two software you downloaded above and then install all
4) Open the Zx3 Samsung Pro icon on your Desktop then Run as Admin.
5) Go to Settings => About phone => Build the number and triple click it until you see this message "You are Now Developer"
6) Back to your Phone Settings and then go to the Developer Option => Usb debugging and tick tick there.
7) Turn your phone on the computer when you have turned it off
8) Select the model for your Phone that you need to unlock the Network and then go to UNLOCK
9) Then click on COM you will not have your phone already detected by clicking.
10) Go to the UNLOCK section on the right hand and click on it
11) Wait For 5 minutes until it tells you UNLOCK DONE