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 ...

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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 ...

Virgin Media O2 has accused BT of “choking off” competition over plans to offer discounts to rival broadband providers.

Virgin Media O2 has announced that it will start to switch off its 2G services in Summer 2029.

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 ...

O2 is the second 4G network to launch in the UK, taking on rival EE before the end of this month. Richard Trenholm Former Movie and TV Senior Editor Richard Trenholm was CNET's film and TV editor, ...

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 ...

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 ...

Mobile carrier O2’s UK outage is now over, but the problem may have affected up to a full third of its users before being resolved earlier today. Mobile carrier O2’s UK outage is now over, but the ...