A data network outage that has left O2 customers unable to use mobile data is the result of a 'global software issue' according to the operator. O2 is the second largest mobile operator in the UK; the ...

According to a recent report by the Next Web, UK mobile operator O2 may actually be sending your mobile phone number to every single website that you visit on your device. This was first discovered by ...

No sooner does Google reveal that it's already making a billion dollars per year through mobile advertising than mobile operator O2 announces it has launched the UK's first location-based mobile ...

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 ...

LONDON (MarketWatch) -- Morgan Stanley upped U.K. wireless operator O2 to overweight with a price target of 144p, saying the company may lift its guidance for key performance indicators in late July.