It is the mobile network service used by millions of people around the UK. But O2 has now issued a warning to customers ahead of a major change that will stop some phones from working. The UK's 3G ...

Mobile operator O2 is to allow some new and existing customers to swap their phone for a new one whenever they like during their contract at no extra cost. From Thursday, the O2 Switch Up option will ...

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 ...

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 ...

Mobile phone operator O2, now part of Virgin Media O2, is to allow some new and existing customers to switch their phone for a new one whenever they like during their contract. It will allow users to ...