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 ...

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 ...

Under an agreement announced on Thursday, Vodafone and O2 parent Telefonica UK will create a joint venture that will take over the running of the pair's basic network infrastructure, including their ...

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 ...

Apple and O2 have confirmed user reports of being unable to make or receive calls, use text messages, or get a reliable 4G internet connection, exclusively on the iPhone XR. "We are aware of an issue ...