Add Yahoo as a preferred source to see more of our stories on Google. Markus Haas, CEO of Telefónica Deutschland, pictured at the headquarters of mobile communications provider Telefónica (O2). 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 ...

O2 is offering up to £1000 for old mobile phones, tablets and other devices as part of its 'Recycle' service. O2 Recycle launched in 2009 and has seen over 4 million devices recycled, resulting in ...