Never run out of credit again. We'll top you up automatically.Pick auto top-up
Top up your mobile between £10 and £30 online.Choose web top-up
There are lots of ways to top up. Whichever you choose, you'll still get all your usual goodies, like O2 Rewards
Auto top-up makes sure you never run out of credit by automatically topping up with money from your credit or debit card.
Step 1: Sign in to My O2 to set up your auto top-up.
Step 2: Choose the amount and if you want to get topped up on a certain day/date or when your balance gets low.
Step 3: We'll then top you up automatically. You can change or cancel whenever you like.
Top up between £10 and £30 online. You just need your mobile number and a UK credit or debit card handy.Top up now
Call 4444 free from your mobile, or 08456 062 277 from a landline. Have your debit or credit card handy and follow the simple instructions.
The latest way to top up any O2 Pay & Go mobile while on the move. Top up between £10 and £50 in just a few taps. With no data charges if you're with O2.Find out more
To top-up on Facebook you'll need your mobile number and a credit or debit card handy. Use the link or visit the official O2 Facebook page
Top up at any cash machine that has the green top-up logo. Just follow the instructions. The money will come out of your account and we'll send you a text to confirm. You can top up between £10 and £50.
We'll give you a top-up card with your sim when you join us. To activate it, dial 248 free from your mobile and follow the instructions. Hand it over with your cash, credit or debit card at any O2 shop or other store with the green top-up logo. You can top up between £10 and £50, and use the same card again and again.
Go to any O2 shop or anywhere you see the green top-up logo and ask for an O2 top-up. You can pay by cash or card. Then call 4444 free from your mobile, or 08456 062 277 from a landline, enter the number on your receipt and follow the instructions. Top up between £10 and £50. Your voucher will expire after twelve months.
Call 4444 free from your mobile anywhere in the world. If the country doesn't allow shortcode dialling, enter *111*# and press the call button. Have your debit or credit card handy and follow the instructions. You can also use top-up vouchers abroad. Or top up online using Web top-up.
Looking to top-up Mobile Broadband?Data top-up
Get up to 10% of your top-ups back every three months. Save up for goodies like tickets to The O2, extra credit, high street vouchers, accessories or even a new phone.Tell me more
Download our Priority moments app and take advantage of fantastic offers available excusively to O2 customers.
Manage your O2 accounts. View your bill. Check your usage. And more
Recycle your old mobile phone or other gadgets online with O2 and make some money. We'll send you a cheque or pay cash into a bank account.
Priority Sports brings exclusive offers to your phone. Just for O2 customers.