An O2 customer accidentally racked up over £3,000 in roaming fees, after receiving texts which said her calls and data would be taken out of her UK allowance – here's what you need to know to make ...

Tens of thousands of Three customers to lose 'free' roaming abroad as they're 'forced' on to new contracts - here's all you need to know Tens of thousands of Three mobile users are set to lose a perk ...

O2 customers on selected Pay As You Go data Big Bundles can now carry their unused data over to the following month O2 continues drive to give customers greater flexibility and control of their data ...