O2's network collapsed overnight, but those signed up to other mobile providers shouldn't feel too smug: the outage caused carnage well beyond its direct customers. Waiting for a bus in London? The ...

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 ...

O2 says its phone network is back up and running, and thoughts are turning to compensation. Richard Trenholm Former Movie and TV Senior Editor Richard Trenholm was CNET's film and TV editor, covering ...

Add Yahoo as a preferred source to see more of our stories on Google. Markus Haas, CEO of Telefónica Deutschland, pictured at the headquarters of mobile communications provider Telefónica (O2). The ...

O2 has announced that it is switching off its ageing 2G network, and that's good news for anyone with a 4G or 5G compatible ...