All our articles on O2 in one place. Find everything here from the latest news, reviews and rumours.
Want to find out more about O2's roaming charges? We've got it covered.
App–free solution available now on iPhone 7 and iPhone 7 Plus.
O2 Priority customers won’t be able to get cheap deal from next week.
We take a look at the incentives and sweeteners offered by the UK’s biggest providers.
We answer all your burning questions about data rollover.
Though the exchange programme doesn't start until Monday.
New research from O2 points to thriving market in broken and unusable smartphones.
What's the outlook for customers and networks?
Regulators say deal would have given consumers less choice.
Freedom comes at a price. But is this one worth paying?