Hello I buyed my Sony experia z1 from Ireland Vodafone but now I live in Uk and changed the Sim card but it want me to enter nac.The problem is I asked Vodafone to provide me this code and they want me to pay for that by topping up my card with 77 euro to make 127 euro calls for 6 months to be qualified for the code can Sony give me this code please I need him.