Hi there, I used to live in the UK for few years so I had an O2 simcard, but since I’m back in the Czech Republic and no longer need O2 services, I really need to leave their contract, please help me end it, I got their STAC code and have go through Vodafone. My STAC code: 670659TEL My account is on the same email, and my phone number is: +420 773 949 210