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

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'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 ...

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 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 ...

Virgin Media O2 has confirmed it will invest an additional £700 million ($936m) into its mobile network this year. The investment is part of the telco's Mobile Transformation Plan, matching the figure ...

Emboldened by EE’s pronouncement that it was looking at network-level ad blocking, fellow carrier O2—which has around 24 million mobile customers—has come out of the closet to say that it’s toying ...