O2 is telling customers to stay alert after the discovery of a worrying new scam that's targeting UK users. The fraudulent message, which is arriving on devices, claims that customers’ SIM cards are ...

Cellular service provider O2 UK is working with British credit card issuer Barclaycard, as well as Nokia, Visa Europe and other partners, in a project to test the O2 Wallet, an application in which ...

O2 has today launched a new app that allows its customers to take their phone number onto multiple devices to make calls and texts - and we've tried it out. Using similar Voice over IP technology as ...

In late 2007, British cellular service provider O2 UK launched a six-month technology trial to gauge consumer interest in and comfort with using RFID-enabled mobile phones to make fare payments to ...

Martin Lewis has issued a warning to millions of people with an O2 monthly mobile contract. The Money Saving Expert has issued an alert that up to 15.6 million people's monthly phone bills could rise ...