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 ...

Markus Haas, CEO of Telefónica Deutschland, pictured at the headquarters of mobile communications provider Telefónica (O2). The head of Munich-based mobile phone operator O2 sees his company on the ...

O2 is removing key Ericsson technology from its network, following two outages this year that led to widespread customer disruption across the U.K. After a second outage earlier this month, which cut ...

The O2 mobile network has returned to normal following an unexplained outage over the bank holiday weekend, which took down mobile connections in the afternoon and evening of 25 May. The fault with O2 ...

Mobile network operator O2 has blamed a problem with a third-party software installation for a nationwide network outage that has left millions of subscribers unable to access 4G data services on ...