LONDON (AP) _ Telefonica SA announced Monday it has agreed to buy mobile phone company O2 PLC in a 17.7 billion-pound (euro26 billion; US$31.4 billion) deal that will help expand its presence in the U ...

Mobile phone network operator O2 is encouraging customers to dial a three-digit number and, if required, contact their bank ...

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 ...

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 ...

Mobile phone network operator O2 is urging customers to call a three-digit number and, if necessary, contact their bank as ...

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 ...

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 ...

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 ...

Back on Wednesday, we revealed that UK mobile phone operator O2 was sending its users’ mobile numbers to every website they visited from their phone. Whilst the network acted swiftly to get to the ...