Well, let me just share with you how to use Z3X Samsung Tool Pro.
Step 1: Connect your device to the PC where you have installed the Z3X Samsung Tool Pro.
Step 2: Right after the connection, you may see some software installation or running of the screen. Just keep calm and wait for a new screen to pop up.
Step 3: On the right mode side you will see some clickable options. You will also see the model number and language info of your device on the screen.
Step 4: Under the Job options tab, there will be some options for you to choose from. Just select the one you need to perform with this tool. You can choose to unlock, root, or IMEI repair and any other desired option. You can now basically command what you need to do and you will find anything done without much effort.