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 ...

European cell phone operator Telefonica says it has reached an agreement to sell its British business, O2, to Hong Kong conglomerate Hutchison Whampoa for 10.25 billion pounds ($15.24 billion).

Mobile operator O2's service outage is still causing problems for customers who joined its network or upgraded since the issues began on Friday. Calls, texts and data for existing customers should be ...

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 ...

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 ...