O2 has announced a major increase in the cost of using its services outside of Europe for its 18 million UK customers, including a 130% rise in what it charges for receiving calls in the US and Canada ...

News that Virgin Media O2 would not be following rival mobile suppliers in reintroducing mobile roaming charges for those travelling in the European Union (EU) has been regarded by some as ...

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 ...