Pay & Go mobile top-up
Web Top-Up
Our easy-to-use online service means you can top-up whenever you like, wherever you are.
Credit & Debit card Top-Up
Just call our top-up line, give us your card details and we'll top-up for you. Job done.
Cash machine Top-Up
Check that your bank offers the service, then top-up on any high street, in any town, anywhere in the UK.
E-Top Up
With E-Top Up you can reuse the same card voucher over and over and over again.
Top-Up abroad
It's best to top up before you leave, but if not don't worry - there are lots of ways to.
O2 Rewards
It's not only new customers who feel special. Get up to 10% back on Top Ups every three months.
Lend us a quid
If you've got less than 50p on your phone we'll lend you a quid, because we're mates.
O2 Money
An easy way to top-up your phone. If you don't have a card yet, get one here.