O2 discount codes for Jul 2026 | £129 OFF

FAQs

Does O2 offer free shipping?

Yes, all orders of devices, SIM cards and accessories all come with free home delivery as standard. Your items should arrive on the next working day, with a text sent your way on the day so you know exactly when to expect your order. If you want to choose a specific time slot, you can opt for Premium shipping at the checkout, with prices starting from £5.99.

Does O2 offer coverage in my area?

O2 is proud to offer coverage to 99% of the UK and 85% of the population, with a mix of 3G, 4G and 5G signal across the country. If you want to see how strong the network's signal is in your area before you join, you can use the dedicated coverage tracker on the brand's website to do just that. Just enter your postcode to see a breakdown of strengths for the different signal types the network offers.

What perks do I get with O2 Priority?

As an O2 customer, you'll automatically be entitled to O2 Priority perks, bringing you a whole host of freebies and discounts on food & drink, holidays, cinema tickets and more. You'll find partner deals with the likes of VUE and Greggs, as well as the original main bonus of the scheme - priority access to gigs - with new offers added to the member's portal on a regular basis.

What is O2 Switch Up?

With O2 Switch Up, the network lets its customers swap out their phones up to 11 months after they've purchased them, so you can keep your handset fresh. There's no catch contract-wise, either - the network will pay off the remainder of your contract and recycle your old mobile, plus you can swap out again 11 months too so you can keep up to date with the latest updates.

Does O2 offer data rollover?

Absolutely. if you don't use all of the data in your plan, it automatically rolls over to the next month so you can make the most of the allowance you've paid for. Data rollover is included free with all Plus and Ultimate plans. Note that rollover data only rolls over to the next month - if you don't use it in the following month, it's gone for good.

Does O2 offer EU roaming?

Every O2 plan, from Plus and Ultimate plan, to monthly SIM-only or pay-as-you-go options, comes with EU roaming free as standard, letting you use up to 25GB of data across the EU to save you on additional costs. You can check your current roaming balance by logging in to your O2 account through the site or the app.

Does O2 accept returns?

Should you decide you no longer want your item, you'll have 14 days to send it back to O2 for an exchange or refund (30 days if your item is faulty or defective). All items will need to be returned in their original packaging with all items and accessories originally included. For devices, you'll also need to make sure they're factory reset. Just get in touch with the network to confirm your return, and they'll arrange a free prepaid returns label to cover the cost of shipping.

O2 Saving tips

Wait for sales

O2 runs a number of sales throughout the year, including around the start of summer, Christmas, Black Friday and more. Catching these promotions can net you as much as £1000 off selected handsets, with 50% off chosen plans and accessories to boot. Keep an eye on this page if you want to see the latest sales discounts - we update this page regularly to add the freshest deals as soon as we find them.

Consider SIM-Only

It's usually more cost-effective to buy a new phone and use one of O2's SIM-only plans. While the upfront cost is higher, you only pay for a data or phone plan, meaning you'll save a lot of money over the long term. With a usual contract, you pay for the value of your phone on top. SIM-only is worth it if you can afford to buy a new phone outright.

Save with O2 Open

O2 Open is the network's answer to NHS and keyworker discounts, offering qualifying employees including teachers, healthcare workers and supermarket employees 25% off airtime contracts when they verify their status and buy a new device. Discounts last for the duration of your plan, and aren't available for Pay As You Go, SIM Only contracts or non-O2 Refresh tariffs.

Trade in old tech

Got old tech you no longer use? You can trade it in via O2 Recycle to earn up to £650 paid direct to your bank account. O2 doesn't just take phones, either - you can also trade in tablets, laptops, smartwatches, earbuds and even games consoles. Just select your device model, give a few details on its condition and tell the network a little about its condition. The brand will give you a quote, and if you're happy to accept, the brand will arrange free shipping, with payments made 3 - 5 days after they receive your device.

Get perks with Volt

Volt is the rewards scheme for O2 and Virgin Media customers, giving you a number of extra perks including double data, free roaming, broadband speed boosts and bundle deals. You can bag bonuses as an O2 or a Virgin Media customer, but you'll get the most out of the scheme as a customer of both, so check the Volt deals to see if any appeal to you.

Use Multisave for multiple plans

If you're looking to take out multiple plans, you can get discounts the more you take out O2's Multisave discount. For every additional plan you take out (up to a total of 20), you'll get an extra 20% off your bill, with savings applicable to both contracts and SIM Only plans. SIMs are available for phones and tablets.

How to use O2 discount codes

  1. Choose an O2 discount code you want to use from the list at the top of this page.
  2. Click the "Get code" button next to it to open a new tab where your code will be revealed.
  3. Copy your code to your clipboard ready to use later, then head back to your previous tab.
  4. You'll now arrive at the O2 website, where you can search for plans and handsets and add them to your cart.
  5. When you're ready to order, head to the checkout and find the "Discount code" field.
  6. Paste in your code and click "Apply", then check your order total has changed accordingly.
  7. Once you're happy your savings have been applied, continue through the checkout to place your order.

How we source voucher codes

At TechRadar, we have a number of tools at our disposal to help us find the latest voucher codes. Our Vouchers team uses connections with big name brands, our affiliate networks, and the world wide web to source the latest & best codes for our pages. Each page is updated multiple times a week with sales info, exclusive codes negotiated by our Commercial team, and a number of ways to save on your next online order.

How we test voucher codes

Every code listed on TechRadar is tested before it’s added to our pages by our Vouchers team. We include a range of offers including student discounts, sale prices, free shipping, & more across a number of categories of products & services. Each code is checked to ensure it is accepted at the checkout, and you won’t find any one-time use or user-specific codes.

The expiry date and any terms & conditions of each code are also displayed on the page, next to or below the ‘Get Code’ button, for added clarity. Click the text that reads ‘Terms & Conditions’ to expand the corresponding area, where you can read more about any requirements your order will need to meet in order for your chosen coupon to be accepted.

What to do if a voucher code doesn’t work

We take the utmost care to verify every code before it’s uploaded, and include as much relevant information as we can find to make using our codes as straightforward as possible. However, sometimes codes expire or are amended before we’re able to refresh our pages, and codes may not work as intended.

Should you experience any issues, it’s always best to start by checking the terms & conditions on the page. Click “View terms and conditions” and the code area will expand. You’ll see all applicable criteria listed in this area. For example, you may not meet a required minimum spend (i.e. spend £20 or more); you may not have enough times in your basket (e.g. you have only selected 2 products when trying to redeem a 3 for 2 multibuy offer), or your chosen offer may only apply to a certain type of product (i.e. 10% off laptops).

If issues persist once you’ve checked that you’ve met any necessary requirements, you can get in touch with our support team by emailing coupons.techradar@futurenet.com. Please provide as much detail about your issue as possible - including which code you used and where you found it - and we’ll be in touch to provide support as soon as we can.

How we make money

All the money TechRadar makes through its voucher pages is earned through a commission-based model. We have deals in place with every retailer that has a voucher page on our site, and every time someone makes a purchase using one of our codes, we earn a percentage of the total basket value back in commission.

Thanks to this model, we can offer all of our codes & discounts completely free of charge. You’ll never be asked to pay a fee to redeem an offer on our site - all you’ll pay is the discounted price of the products or services you’ve chosen to buy.

If you want to find out more about TechRadar’s voucher pages, you can visit our dedicated page on How We Source Voucher Codes and How to Use Them for more information.

Harry Bowden-Ford
Coupons Writer

Harry is a Senior SEO Copywriter on the vouchers team and has been helping readers save money since joining Future in 2022. He has authored content across a number of sites including Tom’s Guide, PC Gamer, MyVoucherCodes and TechRadar, and using his extensive money-saving expertise, keeps pages up-to-date with the latest sales info and saving tips, covering all kinds of brands from computing and electronics to streaming and software. When he’s not writing about the latest discounts, Harry is a keen musician and gamer, and is always on the lookout for deals on guitar pedals or triple-A titles.

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About o2

O2 is a British telecommunications brand that has operated since 2001. It's the British brand name for Telefónica, a Spanish telecommunications company, which uses the O2 name in the United Kingdom and Germany. It's one of the four major phone networks in the UK, meaning O2 is the preferred choice for many thanks to its reliability, good prices and offers.

As with any other major phone network, O2 offers mobile contracts, mobile broadband and pay-as-you-go SIMs. We regularly list the best O2 phone deals, and savings are where this company excels against stiff competition. The O2 shop has regular discounts on phones, computers, tech and tablets.

On this page, you'll find the latest O2 promo codes to help you save on your next phone, whether it's through a contract or SIM-only. Here at TechRadar, we keep a close eye on phone deals and update this page whenever O2 adds anything new, so check here before each new order or contract to see what you can save.

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Written by

Harry Bowden-Ford Harry Bowden-Ford Coupons Writer

Harry is a Senior SEO Copywriter on the vouchers team and has been helping readers save money since joining Future in 2022. He has authored content across a number of sites including Tom’s Guide, PC Gamer, MyVoucherCodes and TechRadar, and using his extensive money-saving expertise, keeps pages up-to-date with the latest sales info and saving tips, covering all kinds of brands from computing and electronics to streaming and software. When he’s not writing about the latest discounts, Harry is a keen musician and gamer, and is always on the lookout for deals on guitar pedals or triple-A titles.