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Our discount codes are tested and guaranteed by our teams

O2 discount codes and Cashback in July 2025

O2 Cashback

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15%
Cashback on your purchases
+£5 offered upon registration

O2 Offers

coinsUnlike a promo code, an offer is applied automatically according to the conditions defined by O2.
Save upwards of £144 on iPhone 16 Pro Max
Expires on 18 Aug 2025
Save up to £500 on selected devices
Expires on 18 Aug 2025
Buy SIM up to £29.99, get £10 voucher
Expires on 18 Aug 2025
45GB data for just £8.5
Expires on 18 Aug 2025
Unlimited SIM deals for £17
Expires on 18 Aug 2025
Save up to £650 on Google Pixel 9
Expires on 18 Aug 2025
250GB of data for just £15
Expires on 18 Aug 2025
Save up to £920 on selected plans with the Black Friday deal
Get the Samsung Galaxy S24 Ultra for £48 a month with £30 upfront at O2
Visit O2 to enjoy free delivery on all orders
Take up to 20% off airtime
Save up to 30% on selected iPhones
Students get 20% off Airtime plans
Enjoy 8gb of data for just £10
Unlock 17% off select accessories at O2
Take 33% off exclusive deals with O2 offers
Take 33% off clearance items with O2 deals
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17 offers O2 tested and guaranteed by our teams

Our cashback and gift cards are updated regularly to offer you the best rates. Each promo code is tested by hand by our teams.

Similar Brands

Get even more discounts thanks to our selection of brands that might interest you

Find out about O2 voucher codes and offers

Summary
Head over to Widilo for the best O2 promo codesSave on your favourite phones with a O2 voucher code!How do I use a O2 promotional coupon?Save on phone deals with O2Stay connected without overspending with O2 discount codesWhat’s the best way to save on your next O2 plan?

Head over to Widilo for the best O2 promo codes

O2 is one of the leading mobile network operators in the UK. You can find a wide range of top phone brands and mobile contracts at O2. Save on smartphones & accessories with a O2 discount code or O2 promo code. during July 2025!

Save on your favourite phones with a O2 voucher code!

Get connected to the best deals on O2 on top brands including Apple, Samsung, Sony and more. With such as huge range of contracts, there is something for everyone at O2. Enjoy access to the top O2 discount codes when you use Widilo. Save on your mobile contracts when you use the O2 Cashback option found here for members of Widilo today. Snap up the best O2 promo codes when you take a peak at Widilo before completing your next O2 purchase.

How do I use a O2 promotional coupon?

Saving money with O2 is more convenient than ever with O2 discount codes from Widilo. But it can be sometimes confusing on how exactly you can get these savings? Well, we have compiled a list of 3 easy steps that you can use to save money with a O2 discount code

  1. Check the Widilo site for the most up to date O2 promo codes and special offers. We update these regularly so you’re sure to get the best deal on your phone or sim card.
  2. Next pick out a phone or sim that aligns with the discount code that you picked out.
  3. Lastly, at the checkout stage you will be prompted to enter your voucher code, once completed you simply click apply.

And that's how you use your code. Your basket will then update to reflect your new price and the percentage of savings that you will receive. It’s truly that easy to save with O2 discount codes from Widilo. To get even greater savings, ensure you to check our website to see the latest O2 voucher codes and special offers.

Save on phone deals with O2

O2 is a leading mobile network operator in the United Kingdom that offers a range of services, including mobile phone contracts, SIM-only plans, and broadband solutions. It provides complete 2G, 3G, 4G, and 5G coverage across the UK. Customers can check specific coverage in their area using O2's coverage checker. It also offers a variety of plans and services to cater to different needs, including flexible tariffs, free-roaming, and exclusive perks through O2 Priority. Subscribe to their services and save huge with O2 discount codes. You can discover a deal on anything you want, including Google Pixel Folds, Samsung Galaxy phones, and iPhones. With their flexible monthly, pay-as-you-go, or sim-only plans, you can buy one of their phones for less. Get O2 Priority from Google Play or the App Store, or go to their website to take advantage of dozens of available discounts. Don’t forget to check out our verified O2 voucher codes for unlimited offers. The O2 'deals' page should always be your first stop, regardless of whether you want to buy the newest tablet or replace your phone. You can even save more money by using our O2 promo codes. You can add up to 20 numbers to your group with O2 Multisave, and you can save 20% on the airtime of any extra pay monthly lines you add to your account. The business also offers giveaways where you may win the latest technology in addition to the O2 discount codes on this page. On its website, O2 often highlights its current discounts and special offers. These include free credit when you top up your tariff, significant quantities of free data on monthly tariffs, and discounts on the newest smartphones and tablets. Act quickly since these O2 voucher codes and offers are only available for a short period!

Stay connected without overspending with O2 discount codes

O2 is more than just a mobile network; it’s a gateway to flexible plans, reliable coverage, and exclusive perks like Priority tickets and discounts. Whether you're topping up your SIM, buying a new iPhone, or bundling broadband for the whole family, O2 discount codes can help you cut costs without cutting corners. From students hunting for data deals to busy professionals upgrading their devices, there's something for everyone at O2. Thanks to Widilo, saving money doesn’t mean giving up your favourite tech. Our verified O2 vouchers make it easy to enjoy connectivity, entertainment, and services for less. Looking for SIM-only plans, pay-as-you-go deals, or refurbished phones? There’s always a way to stay connected, just smarter, cheaper, and with a bonus gigabyte or two.

What’s the best way to save on your next O2 plan?

There’s no shortage of ways to stay budget-conscious when shopping with O2, especially if you know where to look. Here’s how to maximise your savings without compromising your plan:

  • Student discount: Verify your student status and unlock extra discounts on devices and plans.
  • O2 Refresh: Only pay for the device while you own it; upgrade anytime without early exit fees.
  • O2 Priority offers: Get early access to concerts, giveaways, and exclusive high street discounts.
  • Refurbished phones: Enjoy top-quality tech with full warranty at a fraction of the cost.
  • Family plans: Add multiple devices under one roof and get extra data or price cuts.
  • Trade-in schemes: Exchange your old phone for credit towards a new one.

With a smart shopping strategy and the right O2 promo code, you can keep your bills low and your coverage high.

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