Checking your balance
Keep an eye on your calls, texts and data usage.
Online, on the phone, or in store. Find out how and where to top up your phone.
Get the biggest amount of data, as well as minutes and texts. Find out more about Pay As You Go Big Bundles.
When you're running low on minutes, texts, or data, you can top up with a Bolt On.
Using your phone abroad
Find out more about using your Pay As You Go phone abroad, with O2 Travel.
International Big Bundles
Stay in touch with friends and family abroad. Make UK calls to international numbers with our International Big Bundles.