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 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 ...

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 ...

O2 is well known for its tongue-in-cheek customer service replies on Twitter, so it should be no surprise that it took a slightly unconventional approach to advertising one of its contracts. In a ...