O2 has announced a major shake-up of its Pay & Go tariffs by extending its highly successfully, sim-only simplicity deal to Pay & Go customers, offering them fantastic value coupled with the added ...

4G is still finding its feet in the UK, but now that all four networks have their superfast services up and running there's hot competition for customers and O2 is the latest network to rework its ...

Ireland is becoming a smartphone republic if O2’s results are anything to go by. During the first six months of the year, the company’s postpay customer base grew by 29,000, driven by an acceleration ...