How to register a new card keeping the same username?

[Anonymous]

Hello Everybody!!

I've just changed my tariff so I have a new username and password to visit my O2 webpage but I've had already the username and pasword from my first tariff. When I sing in and I writte the data the sistem says me that I need to change the username gave me in the shop for me email. I writte my email and then the sistem tell me that this email remains to another acconunt, my first account, but I've just one email, so What I can do? Is it clear my question? Sorry for my english!! I'm improving my english right now! Thanks

[MI5 · Accepted solution]

Sign in with your first account details then go to "My O2" at the top of the page. You will see a link that says "Link your accounts" on the right of the page. Follow this link to add your new sign in details.

[Anonymous]

Oh!! Thank you very much!! I did it!!

[MI5]

Excellent, well done

ps. Your English is fine - I understood you perfectly.