The last of the UK's mobile operators to launch its 5G network, O2 will cover six cities later this year, and aims to reach 50 by next summer. Mobile network O2 will launch its 5G services in October ...

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 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 ...

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O2 unveils plans to cut carbon emissions from its entire business and network by 2025, whilst working with supply chain partners to reduce emissions by 30% in the next five years. Mobile can enable a ...

The United Kingdom is in the middle of a widespread O2 network outage, affecting millions of customers. The outage is also causing other disruptions, such as issues with public transportation. O2 and ...

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 ...