Hello!
I want to unlock my phone to other services, but I’m stuck at entering MCK key, or Network control key. It suppose to come with samsung phone, but I don’t have it. What should I do.?
Svar
Network control lock key
Bäst svar av JeppePeppe
Hello 
If you phone asks for a MCK-code, you need to contact our customer service and they’ll help you get one 
Contact customer service here.
Enter your E-mail address. We'll send you an e-mail with instructions to reset your password.
