Top-up your pay as you go O2 mobile with an O2 top-up voucher. Stay connected with your friends and family, and never be without credit. O2 top-up vouchers are a safe, easy and hassle-free way to keep your phone in credit so you can make calls, texts and roam online without having to worry.

What is O2 pay as you go?

O2 pay as you go is a classic SIM plan that leaves you in control. Only pay for what you use and top-up whenever you need to with an O2 top-up voucher. Pay as you go means you only pay for what you use, so if you need to make a call to your family, keep in touch with your mates with a text, or stay connected to social media, you are always in control.

How do I top-up my O2 mobile?

Topping-up your O2 pay as you go SIM has never been easier. To top-up your O2 SIM, first purchase a voucher for the amount you wish to top-up (£10 minimum), once you receive your unique code, on your phone dial ‘4444’ and follow the instructions and enter your O2 code when promoted to do so.

Can I top up my O2 phone online?

Top-up your way with O2 Web top-up, a safe and easy way to top-up your O2 SIM online. Using O2 top-up Web top-up, you can top-up between £10 and £30. Just go to their website and follow the steps to top-up online.

Check to see if you can redeem a voucher online before purchasing an O2 voucher.

How much can I top up on O2?

Get credit when you need it with an O2 top-up voucher, top-up £10, £20, £30 or £50 so you can keep in touch with the people who matter. There is a £10 minimum top-up limit when topping-up on your O2 mobile phone. The maximum amount you can top-up using a voucher is £50.

How long does my O2 top up voucher last for?

An O2 top-up voucher is valid for 12 months from the day you redeem that voucher on your mobile phone. Stay in touch with those who matter and enjoy topping-up your phone in a safe way, so you are always in credit.

How can I check my O2 pay as you go balance?

Need to check how much credit you have? No worries, with O2 pay as you go there are three ways to check your phones credit:

Option 1:

  1. Dial hotkey 2 on your O2 phone
  2. Your pay & go balance will appear on your screen

Option 2:

  1. Enter *#10# and press the call button
  2. Your pay & go balance will appear on your screen

Option 3:

  1. Dial 4444 to hear your balance on your phone

Can I top-up someone else’s phone with an O2 top-up voucher

Friend in a pinch? Help them out with an O2 top-up voucher that you can use to top-up your friend or family’s mobile. As long as they have an O2 pay as you go SIM in their phone, you can use a O2 top-up voucher to redeem credit on someone else’s phone.

Just call O2 customer services and tell them the number you want to add credit to, then give them the voucher code that they can use to add the credit to your friend’s phone.

O2 top up abroad?

The best way to top-up your O2 mobile phone while outside of the country is with an O2 top-up voucher. Simply dial 4444 from which ever country you are in from the mobile phone you wish to add credit too, follow the instructions and enter your voucher code you received in your email.

Alternatively, you can enter *111*# on your dial pad and then press the call button, once put through you can follow the instructions and enter your voucher code when prompted.

How do I redeem my O2 top up gift card/voucher?

Using an O2 top-up voucher has never been easier to instantly redeem on your mobile phone. After purchasing a top-up voucher for the amount you wish to top-up on your phone, you will receive a conformation email with you top-up code.

Once you have your code, dial 4444 from your O2 device, follow the instructions to top-up your phone and enter your voucher code when you are prompted to do so. That’s it! Instant credit when you need it, no matter where you are.