Top-up phone credit

for any O2 UK mobile.

Easy, fast & secure top-ups,

for you, your friends or family.

Use On Top Up to effortlessly purchase credit for your Pay As You Go EE mobile phones. Our platform seamlessly accommodates all major mobile networks, facilitating Giff Gaff UK voucher purchases, Lyca UK voucher transactions and Now UK top-ups. You have the convenience of adding multiple phones per account, even if they are on different networks, enabling you to automatically recharge all your phones monthly through a single website using your debit/credit card.

Choose Top-up amount:

  • £10
  • £15
  • £20
  • £25
  • £30
  • £35
  • £50

Includes Data, Calls & Texts from:

Subscription Packs + Boosts

Includes Data, Calls & Textsfrom:

Your Bundles

Includes Data, Calls & Texts from:

Your Packs

Includes Data, Calls & Texts from:

Your Bundles

Includes Data, Calls & Texts from:

Your Bundles

Choose your country & enter your O2 UK phone number below to start

Online O2 UK top ups made easy

Enter number

Enter number

Buy top up

Buy top up

Enjoy

Enjoy

Top up now

Why use On Top Up for your O2 UK credit?

With On Top Up, you can instantly add credit to your O2 UK mobile phone account. Not only that, but you can also set up scheduled auto top ups*, to ensure you never run out of credit in the future. You can also add multiple mobile phones, on different networks, to your account, to enable you to top up your whole family's phones whenever needed.

*Note: Auto top ups are only available on selected mobile networks.

On Top Up also support these networks