Following a tariff overhaul by T-Mobile last month, O2 is the latest network to revamp its monthly contracts. The original home of the iPhone is launching a new SIM-only tariff and updating its ...

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 ...

A new warning has been issued to millions of people with a monthly mobile phone contract with O2. Martin Lewis warns that up to 15 million customers could see their monthly bills rise by more than the ...