All our articles on O2 in one place. Find everything here from the latest news, reviews and rumours.
Tesco Mobile claims consumers have been hit by £1 billion in extra fees since 2013.
Expected to top £1.1 billion by the end of this year.
Here’s how much extra you’ll pay.
Make sure you don’t get charged for your phone after you’ve paid it off.
We've scoured the market to bring you our pick of the best deals on the best-ever iPhones.
New type of contract caters for customers’ “increasing need for flexibility”.
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.
Had a display mishap? O2 has got your back.