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Topping up

Topping up

The easiest way to top up is through My O2.

Simply sign in and select ‘Top up your phone’, then choose how much you’d like to top up.

To top up using a debit or credit card, it’ll need to be from a UK bank and registered to a UK address. You can only top up in pounds, not pence, and top-ups start at £10.

Check out the other ways to top up your phone.

If you have any other questions about topping up your Pay As You Go account:

  • Call 4445 free from your mobile
  • Call 0344 809 0222 from any other phone (standard rates apply)

Checking your balance

Find out how to check your balance, even if you’re using a different phone.


If you're not sure about any techy terms, check out our jargon buster

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