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 ...
Up to 15.6million O2 mobile phone customers will see their bills rise by 40 per cent more than they were originally told. The phone network has announced a new mid-contract policy change that will ...
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