Top up £10 and you can get unlimited free Texts to all other O2 customers.
Top up £15 and you can get unlimited Calls AND Texts to all other O2 customers
This can save you a fiver a month from o2 numbers which is a fiver and also keep your 10% top ups back every 3 months. You can Opt Online or Call 2425 From Ur o2 Phone FREE!
This is brilliant if alot of people you know are on o2!