O2 Tariff changing

Does anybody know how I would go about changing my O2 online tariff?

There is NOTHING I can see on their help pages detailing this. And would
rather not contact their premium rate lines!

Thanks

"Strutter" <strutter_uk@hotmail.com> wrote in message
news:cjtqe6$1e3$1@hercules.btinternet.com...
> Does anybody know how I would go about changing my O2 online tariff?
>
> There is NOTHING I can see on their help pages detailing this. And would
> rather not contact their premium rate lines!
>
> Thanks
>
>
Is it a "Pay & Go" or "Pay Monthly Tariff"?