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 ...

O2 is launching Simplicity, a new kind of pay monthly deal that doesn’t require a long-term contract. In fact, the deal can be ended at just 30 days notice. It’s aimed at people who don’t want a lock ...