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 ...

Price hikes are causing O2 customers to look elsewhere, but consumers are also losing faith in other providers after the recent rises ...

The majority of Brits who own a mobile phone will rarely have to worry about losing signal or service. Technology has advanced so much that these problems are now considered a thing of the past; a ...

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