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 ...

Adam covers home improvements and mobile networks, splitting his time investigating topics from bathrooms to phone contracts. He was shortlisted at the BSME Talent Awards 2024. O2 is one of the Big ...

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 ...