This service only repairs IMEI of your device ( ITS DOES NOT INCLUDE NETWORK/CARRIER UNLOCK )

Basic knowledge 

How to Enable USB Debugging :

1. Go to Settings 
2. Scroll down to About Phone 
3. Click 10 Times continuously on Build Number 
4. Go back to Settings 
5. Find Developer Options > Enable USB debugging 

How to Enable Diag Port :

1. Go to the Dialer App on 
2. Dial *#801# 
3. Turn on Full Port Switch