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 ...

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 ...

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 ...

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, ...

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 ...

Of all the current UK networks, O2 has changed the most. The carrier as it exists now was “born” in 2002, but its history dates as far back as 1985. Prior to being known as O2, the BT-owned network ...

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 has implemented new features on its UK mobile network designed to analyse the activity of customers in real time and make changes to the network on the fly to optimise their experience. The mobile ...