I changed at the end of my contract as I got a notification from O2
saying I can upgrade.My bill via my O2 says my bill is £10 monthly which
is correct but I got charged £33.68 yesterday which was the tariff of my
The options I’ve been given online under ‘Your upgrade options’
are‘Packages for you’ and ‘More devices”. Nothing to do with sim only.If
I want to change to a SIM contract thats cheaper than my current monthly
contract, would I need to change my numb...