All our articles on O2 in one place. Find everything here from the latest news, reviews and rumours.
On selected Big Bundle PAYG plans.
Freedom's never free. But it just got a lot cheaper with O2.
Want to find out more about O2's roaming charges? We've got it covered.
We take a look at how much UK providers charge for using your phone outside the EU.
Change how much you pay each month depending on your needs.
Apple’s latest phones up for grabs now.
Had a display mishap? O2 has got your back.
What's the outlook for customers and networks?
We answer all your burning questions about data rollover.
Network admits hampering speeds following abolition of roaming fees in June.