Join for free Sign in Home Categories Compare Refer & Earn More Support Seasonal Boost Bonanza Up to £99 cashback Get cashback O2 Stats 44 Voucher uses (24 reviews) About O2 O2 is the second-largest mobile network provider in the United Kingdom, offering some of the best discounts on smartphones and no-nonsense plans. Shop for your own O2 contracts, such as the popular O2 Sim-Only plan, starting at just £10- or less with an O2 discount code! Once your contract is finished, the O2 online top-up feature is very simple to use and can even be done from the mobile app to keep your connection going strong. When picking out your new smartphone, don't forget about the O2 promo codes and O2 cashback links that we have gathered on this page. Popular Retailers eBay Argos Amazon Currys Debenhams ASOS Boohoo Wayfair Retailers Related to O2 Vodafone EE Mobiles.co.uk Three Affordable Mobiles Carphone Warehouse Tesco Mobile Mobile Phones Direct O2 Price Match Although O2 don't advertise their price match, you can find more information on price matching requests for O2 phones on their O2 Community site. If you're an existing customer shopping for a great new phone deal, O2 will offer you the same deals they offer all new customers. You can also benefit from cheaper prices when you use O2 discount codes for all purchases, so no matter how you approach it, there are always fun new ways to save on O2 contracts and their famous O2 network! Browse the O2 Deals O2 voucher codes are a great way to save money on mobile phones, particularly if you wait for the O2 sales before placing your order. Make sure you browse the O2 shop online to keep up to date with clearance deals and limited O2 sales offers. You'll find there are always a variety of valuable offers at O2 online, and by using O2 promo codes or O2 voucher codes, it's never been easier to shop for your next mobile phone, O2 SIM only deal, tablets, and phone accessories. O2 Promo Codes & Cashback 2021 Updated November 24, 2021 O2 is the UK’s leading provider of mobile phones and mobile broadband, offering a great choice of phone handsets, SIM only, tablets, wearables and iPad SIM deals. As well as all this, O2 also offers its customers amazing exclusive incentives. Make sure to use O2 promo codes and O2 discount codes for savings on your next plan. ...Read more Cashback Rates £82.50 cashback for a pay monthly SIMO contract with a tariff of £30 or more 7 uses today Get cashback £11 cashback for a pay monthly SIMO contract with a tariff of £9.99 or less 2 uses today Get cashback £99 cashback for a pay monthly handset contract with a tariff of £60+ Get cashback 10% OFF 19 uses today Over 10% off with the latest deals and promotions Score amazing prices on O2 SIM only plans, mobile phones, accessories, and much more when you shop these offers. Get your… Get Deal 25% OFF 10 uses today Up to 25% off Airtime plans for NHS employees and teachers with O2 Open Get Deal 20% OFF 3 uses today 20% off Airtime Plans + accessories with the O2 student discount Verify your student status and enjoy 20% off an Airtime Plan with a phone, tablet or mobile broadband device on O2 Refresh, plus, 20%… Get Deal £400 OFF 1 use today Up to £400 off select devices in the O2 Black Friday Event Shop the much anticipated Black Friday sale at O2 and save up to £400 off selected devices! This includes iPads, phones, and more! Get Deal 20% OFF 2 uses today Family Plan: Extra 20% off airtime when you add more devices or sims to your bill Get Deal £400 OFF 3 uses today Pay Monthly Deal: Up to £400 off the Galaxy Z Flip3 5G phone in the Black Friday sale Grab the new Galaxy Flip3 5G this Black Friday and save up to £400, as well as get an extra £250 when you trade in your old device, for a… Get Deal £30 CREDIT £10-£30 credit on select O2 Pay As You go SIM only deals Get Deal £400 OFF Get the Samsung Galaxy S21 5G phone and save up to £400 with this Black Friday deal Get Deal FREE DELIVERY 1 use today Free delivery on any order Get your new O2 iPhone or Apple Watch delivered for free! Enjoy free delivery on any order. Get Deal FREE MUSIC Up to 6 months free Apple Music when you spread out the cost of your new product Get up to six months’ Apple Music on us when you buy selected products on a Device Plan, Get Deal View Terms £427 OFF Shop the O2 Black Friday sale and get up to £427 off the Samsung Galaxy Tab S7+ Save big when you buy the Samsung Galaxy Tab S7+ 5G and enjoy up to £427 off. Complete with the phone, you can enjoy double the data,… Get Deal FROM £35.50 iPhone 13 Pro from £35.50 when you trade-in your old device Get Deal £252 OFF 2 uses today Up to £252 off the iPhone 12 with this Black Friday deal Get Deal £2 OFF 1 use today £2 off/month when you add Disney+ to your plan Get Deal £300 OFF Get up to £300 off the Samsung S21 Ultra 5G in the Black Friday sale Enjoy up to £300 off the Samsung S21 Ultra, as well as receive up to an extra £150 off the trade-in value of your old device, double the data,… Get Deal £10 CREDIT Online Only: Free £10 credit with Pay As You Go SIMs Get Deal £26 SIM Only Deals: Unlimited high speed data for £26 per month Get Deal FROM £35 2 uses today Double data, 6 months of Apple Music and more perks when you buy an iPhone 12 from £35 a month Get Deal FROM £4.99 Apple and Samsung accessories with prices starting at £4.99 Browse for phone cases, cables and more accessories starting from £4.99. Get Deal FREE SUBSCRIPTIONS Upgrades, free TV, books, and more extras available with SIM only contracts Enjoy and choose an O2 extra with your devices or SIM contracts for free! Get Audible, Prime Video, Amazon Music and many more… Get Deal 10% OFF Receive 10% of your top-ups back every 3 months with O2 Rewards Get Deal £22 150GB of high speed data for £22 per month with SIM only deals Shopping for a new phone plan? Grab 150GB of data on this £22 SIM only plan at O2! Plus, enjoy up to 6 months of Apple Music, Disney+… Get Deal IN STORE FREE Click and Collect available in selected stores Get Deal FREE RETURNS Free returns on your purchase within 28 days Don't completely love your new mobile? Enjoy free returns on your new O2 phone for 28 days after purchase. Get Deal Popular Expired O2 Discount Codes £100 OFF £100 off the upfront cost on select Sony phones with this O2 voucher code Looking for a deal on a new Sony phone? Get an O2 phone contract with your new mobile and save £100 with this special offer. £18 20GB SIM-only plan for £18 a month | 25GB for £20 | 50GB for £28 Catch these O2 Sim Only offers with prices from £18 for 20GB! £150 OFF Ends Soon: £150 off the upfront cost of the iPhone 12 Pro Max with this O2 discount code Grab the iPhone 12 Pro Max in Pacific Blue and take £150 off the upfront cost for a limited time only when you apply this O2 promo code at checkout. Popular O2 Vouchers Voucher Codes & Deals Value Discount Type Status Free O2 voucher codes for 10% off contracts 10% Off Online Voucher Expired O2 £30 off upfront costs £30 Off Online Voucher Expired Free top-up codes for O2 Free Top Up Online Voucher Expired O2 20% off SIM-free phones 20% Off Online Voucher Expired More About O2 O2 Online Top-Ups If you're considering your next mobile purchase or thinking about switching carriers, there are lots of options available at O2 online! You can choose from a variety of discounted phone deals or opt for an O2 SIM only deal. It's easy to top up your credit by phone or using O2 online top upservice, so even if you're on a PAYG basis, you won't run out of phone credit any time soon! O2 Phone Plans O2 phone plans are easy to tailor to your needs, meaning you get the best phone deals that are customised to your exact requirements. It's easy to upgrade when you choose a customised phone plan from O2, and you can also spread your balance over 36 months if preferred. Don't forget to shop around for the best O2 promo codes before signing up for your new price plan. Contact the O2 Customer Service Team Managing your O2 phone service, and using O2 discount codes, is quick and simple from your personal online account, but there are sure to be times you need to get in touch with the O2 customer service team. You may need to find out more about O2 WiFi calling, or perhaps you need to call O2 to cancel your contract. No matter the reason, you can get in touch with a representative by using the O2 phone number, 202, from your mobile device. All other phone numbers are listed on the O2 website; alternatively you can chat with an O2 expert online using the LiveChat facility as well. FAQs with O2 Does O2 offer student discounts? Yes. As a student you will be able to get a 20% discount on airtime with your Refresh Plan. You can also receive 20% off select tech accessories. Just prove your student status and start enjoying savings on your mobile plan. What are the best discounts that O2 offers? O2 has a whole lot of discounts to choose from. Some of the best and popular discounts include free credit on select SIM only plans, free gifts with mobile phone purchases, 20% off airtime with the family plan, free delivery on all orders and lots more. Browse the Quidco website to stay updated on the best O2 discounts throughout the year. Where can I find O2 discount codes? You can either search on the O2 site for discount codes which are published from time to time or you can let Quidco do the job for you. Get updates on the best deals on top mobile phone brands like Apple and Samsung as well as SIM plans when you search on Quidco. Anticipate the Black Friday deals coming soon so you do not miss some of the best discount codes of the year. 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