O2 is telling customers to stay alert after the discovery of a worrying new scam that's targeting UK users. The fraudulent ...

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 ...

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 ...

Virgin Media O2 has announced plans to start its 2G switch-off in 2029. The telco confirmed today (June 23) that its 2G ...

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 has just issued an urgent warning to its customers after the discovery of a fake text message that suggests a SIM is about ...

O2 is shutting down its older network technology, and that's good news for millions wanting faster speeds.

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 ...

Mobile network infrastructure isn't exactly an enthralling dinner-table topic, and yet somehow, O2's actually managed to make it sound interesting. The carrier's announced that it's switched on its ...

Mobile operator O2 plans to launch a 15,000-strong nationwide network of free Wi-Fi hotspots located in public places such as coffee shops, and open to customers and non-customers alike. The scheme, ...