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

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 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 operator O2 Telefónica Germany is planning major job cuts as part of a broad restructuring aimed at restoring ...

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 ...