O2 is offering double data for up to 3 months on all Pay As You Go Big Bundles and selected Rolling Plan tariffs.

O2’s double data offer has now ended. O2’s double data offer on Pay As You Go ended on the 28th June 2023. This blog post is being kept as an archive for customers who previously signed up for this offer.

In the UK, O2 is currently offering double data for up to 3 months on most of their Pay As You Go plans. This means you can get up to 20GB data for £10 and up to 50GB data for £15 for the next 3 months.

All of O2’s Pay As You Go plans come with unlimited UK minutes and unlimited UK texts, along with 99% UK coverage and access to the O2 Priority app. You’ll also get inclusive roaming in 43 European destinations.

Get double data on O2 Pay As You Go →

In this article, we’ll look at O2’s Pay As You Go double data offer, including the plans available and how you can take advantage of the deals. We’ll also look at the features included on O2’s Pay As You Go service, and how you can keep your current phone number when you switch to O2.

O2’s Double Data Offer

As a special offer that’s running until the 28th June 2023, O2 is now offering double data for up to 3 months on most of their Pay As You Go plans. This is available to new customers who order a free O2 Pay As You Go SIM card. It’s also available for existing customers who opt-in for the double data offer by texting DOUBLE to 2424.

You’ll get the best value with the largest data allowances when you choose an O2 Rolling Plan on Pay As You Go:

for 3 months
was 10GB
for 3 months
was 50GB
for 3 months
was 150GB

See all O2 Rolling plan deals →

You can also benefit from extra data on the Big Bundle plans, such as 14GB data for £10:


See all O2 Big Bundle deals →

To benefit from the double data promotion, you’ll need to order and activate your O2 SIM card before the 28th June 2023.

O2 Pay As You Go Features

No Contract & No Credit Check

There’s no contract on O2’s Pay As You Go service. This means you can sign up without any commitments. You also have the flexibility to change or cancel your plan at any time. For instance, you can upgrade to a plan with more data. Alternatively, you can downgrade to a cheaper plan to save some money.

In addition, there’s no need to undergo a credit check on O2 Pay As You Go, meaning it’s easy to sign up, without the hassle of a credit search. You can also get it if you’re under-18 or if you’re new to the UK.

99% UK Coverage

O2’s 4G network covers more than 99% of the UK’s population. As an O2 Pay As You Go customer, you’ll be able to benefit from O2’s 4G coverage across the UK.

Before you sign up for O2 Pay As You Go, it’s worth double checking the coverage in your area. You can do this by entering your postcode on O2’s online coverage map:

Check O2 Coverage (o2.co.uk) →

As an O2 Pay As You Go customer, you’ll also have access to O2’s Wi-Fi Extra service. This gives you secure access to about 8,000 Wi-Fi hotspots across the UK, including in more than 250 London Underground stations.

O2 Priority

As an O2 Pay As You Go customer, you’ll have access to the O2 Priority app. This gives you early and exclusive access to pre-sale tickets for thousands of gigs and events across the UK. These are available up to 48 hours before general release.

In addition, the O2 Priority app gives you access to exclusive offers and discounts every week, including a free coffee and sausage roll from Greggs. During this Easter break, kids can also eat free at Prezzo, Pizza Hut and The O2 using the O2 Priority app.

O2 Rewards

You can get up to 10% of your top-ups back through O2 Rewards (you’ll get 5% back for the first six months, then 10% back once you’ve been an O2 customer for six months).

Your O2 Rewards are added up every quarter and can be taken in the form of extra Pay As You Go credit. Alternatively, you can save them up for a larger reward such as a high-street shopping voucher or a discount at the O2 store.

Inclusive European Roaming

O2 is the only major UK network to retain free EU roaming for all of their customers. This means, as an O2 Pay As You Go customer, you’ll be able to benefit from inclusive EU roaming on your holidays this summer.

You can use your O2 Pay As You Go plan allowances at no extra cost when you travel to the following 43 European destinations (up to a maximum of 25GB data per month):

  • Austria
  • Azores
  • Belgium
  • Bulgaria
  • Canary Islands
  • Croatia
  • Cyprus (excl North Cyprus)
  • Czech Republic
  • Denmark
  • Estonia
  • Finland
  • France
  • French Guiana
  • Germany
  • Gibraltar
  • Greece
  • Guadeloupe
  • Hungary
  • Iceland
  • Ireland
  • Italy
  • Latvia
  • Liechtenstein
  • Lithuania
  • Luxembourg
  • Madeira
  • Malta
  • Martinique
  • Mayotte
  • Netherlands
  • Norway
  • Poland
  • Portugal
  • Reunion
  • Romania
  • Saint Barthelemy
  • Saint Martin
  • San Marino
  • Slovakia
  • Slovenia
  • Spain
  • Sweden
  • Vatican City

For more information, see O2’s guide to roaming in Europe.

International Minutes

When you choose one of O2’s Pay As You Go plans from £15, you’ll get an inclusive allowance of international minutes for calling 42 countries:

  • You’ll get 50 international minutes on the £15 Big Bundle and £20 Big Bundle.
  • You’ll get 100 international minutes on the £15 Rolling Plan and £20 Rolling Plan.
  • You’ll get 250 international minutes on the £30 Big Bundle.
  • You’ll get 500 international minutes on the £30 Rolling Plan.

The inclusive international minutes can be useful for staying in touch with friends and family who are abroad. You’ll also benefit from discounted international calls from 1p/minute when you choose a Pay As You Go plan costing £15 per month or more.

Extra Data & Easy Payments On Rolling Plans

There are two main benefits when you choose an rolling plan instead of a Big Bundle:

  • You’ll get more data for your money. For instance, the £10 rolling plan comes with 20GB data per month for 3 months. This compares the £10 Big Bundle which comes with 14GB data per month for 3 months.
  • You’ll benefit from easy monthly payments. With rolling plans, you can have your credit card or debit card details saved on your O2 account. You’ll then benefit from automatic monthly top-ups to pay for your rolling plan (it’s the same way you’d pay for subscriptions like Netflix or Amazon Prime).

Keeping Your Phone Number

When you switch to O2’s Pay As You Go service, it’s easy to keep your current phone number.

Start off by ordering your new O2 Pay As You Go SIM card. Once you’ve done that, you can request a PAC Code from your old network. You can do this by texting PAC to 65075. Alternatively, you can request a PAC through your mobile network’s website or app.

Once your SIM card has arrived in the post, you can provide the PAC Code to O2 through this page on their website. Once you’ve done that, your phone number transfer will be scheduled (normally for the next working day).

For a step-by-step guide on how to move your phone number to O2, please select your current mobile network from the drop down menu below:

PAC Code Finder: Transfer Your Phone Number to O2

Select your current mobile network:

  More Options

More Information

For more information on O2 Pay As You Go and the double data offer, please see O2’s official website.

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