Mirror Discounts logo
SAVE UP TO 40% IN THE CULT BEAUTY SALE See event
No7_BeautyVault2022_BackgroundHero_MainLaunch_UK_v5.dam.361x135x1280.ts=1656668225843
SAVE 25% OFF
ON PREMIUM BEAUTY
No7_BeautyVault2022_BackgroundHero_MainLaunch_UK_v5.dam.361x135x1280.ts=1656668225843
SAVE 25% OFF
ON PREMIUM BEAUTY

Rated 5 from 3 votes

Filter Offers

Enjoy huge savings on your phone contract with an O2 promo code

Discover phones, tablets, mobile broadband, and sim only deals on the UK's best network for coverage and get your value for money when you shop with O2. Cut costs on accessories to go with your plan and discover great deals all-year round including flash sales, seasonal offers and more. Or why not apply an O2 discount code from Mirror Discounts?

Tell your friends
Offer of the daylogo Just Eat
20%

Save 20% on orders £15+ at Just Eat today!

Get deal

Summer Sales

Summer Sale discount codes

See offers
20%  Enjoy the new O2 promo code!
logo O2

O2 Discount Codes August 2022

10 tested and verified O2 Promo Codes & Voucher Codes

20%
More info
Offer

Claim 20% OFF after you add a new contract to your online plan

Our Pick
Offer available!
Tell your friends
More info
Offer

Take FREE Roaming for your next EU holiday

Our Pick
Offer available!
Tell your friends
£38.99
More info
Offer

Purchase the iPhone 13 for just £38.99 a month! Hurry!

Our Pick
Offer available!
Tell your friends
£28
More info
Offer

Buy the iPad Pro 5G for just £28/month right now!

Our Pick
Offer available!
Tell your friends
£200
More info
Code

Take £200 OFF on the Sony Xperia 1 III after you redeem this voucher code!!

Offer available!
Tell your friends
£100
More info
Code

Claim £100 OFF on the Sony Xperia 5 III after you enter this voucher code

Offer available!
Tell your friends
£100
More info
Offer

Save £100 OFF on new Google Pixel handset collection

Offer available!
Tell your friends
£620
More info
Offer

Claim £620 OFF after you trade-in your old handset for new Galaxy handset pre-orders

Offer available!
Tell your friends
£20
More info
Offer

Claim 160GB of data on selected Sim cards

Offer available!
Tell your friends
20%
More info
Offer

Save 20% OFF when you add more than one contract to your account

Offer available!
Tell your friends

O2 Discount Codes you just missed

10%
More info
Code

Snap up 10% in Halloween deals/offers

Available until: 01/04/2022
Tell your friends
£22
More info
Offer

Receive 250GB data a month on your next Sim contract for just £22 with O2

Available until: 18/11/2021
Tell your friends
More info
Offer

Enjoy the new iPhone 13/Pro after you pre-order with O2! Get yours as soon as it releases

Available until: 18/11/2021
Tell your friends
25%
More info
Offer

Save yourself an extra 25% OFF on your monthly plan when you take advantage of the latest deals with O2 Open right now

Available until: 14/10/2021
Tell your friends
25%
More info
Offer

Redeem 25% OFF your entire order total after you use your NHS discount with O2

Available until: 14/10/2021
Tell your friends
£30
More info
Code

Don't miss your chance to save £30 this season on the iPhone SE monthly plans after you redeem this O2 discount code

Available until: 14/10/2021
Tell your friends
£79.99
More info
Offer

Cash in on your Samsung Galaxy mobile or tablet and get an accessory package worth a huge £79.99 with O2! Start clearing out your used items right now by starting with this fantastic deal!

Available until: 15/09/2021
Tell your friends
25%
More info
Offer

Receive 25% OFF your monthly contract price when you use O2 Open for all mobile and tablet contracts

Available until: 09/09/2021
Tell your friends
£25
More info
Offer

Take Unlimited Data for your next mobile or tablet contract from as low as £25 /month with O2

Available until: 09/09/2021
Tell your friends
20%
More info
Offer

Get 20% OFF on your mobile or tablet contract after you redeem your Student Discount with O2

Available until: 09/09/2021
Tell your friends

O2 - your one-stop shop for phone essentials

O2 is is a leading digital communications company with one of the highest rated customer satisfaction companies in the UK. With more than 23 million customers, O2 runs 2G, 3G, 4G and 5G networks across the UK, as well as operating O2 Wifi and owning half of Tesco Mobile. Today, O2 has over 450 retail stores and sponsors The O2, O2 Academy venues and the England rugby team. Check out the new iPhone 13 right now available as iPhone 13, iPhone 13 Mini, iPhone 13 Pro and iPhone 13 Pro Max with O2. Find the right contract for you including different perks such as Disney+, Unlimited Data and other top O2 rewards and benefits! You can purchase the new iPhone 13 in Midnight, Starlight, Blue, Red and Pink. Make your new iPhone 13 your own with O2 and their flexible contracts too. The iPhone 13 has a new A15 chip so you can play the latest games, browse at the fastest speeds and enjoy smooth and silky swiping. Check out the new Wide and Ultra Wide cameras situated on the back of the iPhone 13 which take in 47% more light in photos and videos, so you can truly experience next-generation camera technology. Make sure you redeem an O2 discount code at the checkout to save even more money off your next order total. Be sure to check back with Mirror discounts for the newest deals and promo codes for O2 iPhone 13 contracts. Discover an extensive range of phone contracts available for you to choose from! Save on your next iPhone 12 contract and discover huge savings when you pay just £30 per month with a one-off payment for £50. Here you can enjoy 100GB of data, unlimited minutes and texts and you can also choose an extra 6 months of entertainment. In addition to this great deal, why not trade in your iPhone 12 and get up to £400 off when you trade in your old iPhone? In addition to iPhones explore a range of Android phones available. Android brings you the best of Google where you can save up to £100 on the S20 SE range. Discover unlimited plans or save on SIM only plans available with data from £2GB to unlimited. Find the right plan for you and enjoy huge savings. O2 offers excellent flexibility where you can also customise plans that are available. Choose how much to pay upfront, and spread the balance for up to 36 months to get more value for money when you switch to O2, you can also choose to pay it as little as three months if you want to pay it off quicker. Then, simply pick your data allowance. You can even change it every month if you wish to have more data or less. The choice is simply yours! Opt for a plan or have it your way. O2 are offering you the newest handsets for the best prices on the market. You can pre-order the newest phones so that you can get your hands on the latest technology as soon as they release. Get pre-order deals on phones such as the new Galaxy Z Flip3 and the new Galaxy Z Fold3 from Samsung. The Samsung Galaxy Z Flip3 5G ready phone can be selected in either phantom black, cream, lavender or green colours for you to customise your handset with. Make your handset your own by choose its storage capacity from either 128GB or 256GB. Store thousands of photos and files with these incredibly generous storage capacities. It also has a 12MP camera so you can capture your favourite moments as well as store them forever. Its foldable glass screen means you can pack away your device for convenience and satisfaction. You can also pre-order the Galaxy Z Fold3 5G ready smart phone which is the alternative phone to the prior Samsung Galaxy Z Flip3 5G ready phone. The Galaxy Z Fold3 5G can be customised in either phantom silver, phantom green and phantom black as well as 256GB and 512 GB capacities to choose from. Make your phone your own with the amazing Samsung handset that comes with ability to unfold its main 2 screens into one whole screen for note-taking during phone calls, watching and streaming the latest movies, or even getting a better look when using up to 3 apps at the same time! Pick up a pre-order now with O2 and choose a pre-built or custom plan to suit your preferences in airtime, data and upfront costs to suit your budget. Make sure you apply an O2 discount code at the checkout to save on the latest pre-order and new release handsets. Take a look at the latest handset from OnePlus, the Nord 2 5G, which is offering unrivalled performance, a high-spec camera and 5G connectivity. The OnePlus Nord 2 5G boasts exceptional camera quality of 50MP so you can capture those special photos and videos in superior quality. Store all of your photos and videos on the handsets 128GB internal storage, with massive amounts of memory on show for you to use. You can grab your handset now in either grey sierra or blue haze so pick your favourite colour and get yours today for an affordable price and plan from O2. You can expect extremely high-quality connectivity and network service from the 5G enabled operating system. This means that you will experience drop-out free calls, delay-free downloads and buffer-free streaming on your device. Make sure you check out the latest pre-built and customisable plans from O2 today, and use an O2 discount code to get the best possible deal right now.

O2 promo codes

Save on upgrades, plans & contracts with an O2 discount code

While designing your plan, you also have the opportunity to handpick an extra at no additional cost. Discover a wide range of extras that are available for you to take advantage of such as - Amazon Prime Video to enjoy top entertainment, Audible and Calm to release the stress. So, whatever you’re into, you will find something that’s a perfect fit for your free time. Find out more about extras on their website or discover top deals available today. O2 gives you more flexibility and more ways to make your plan perfect for you. Discover a range of upgrades, phone contracts, refurbished phones that you can trade in and a range of accessories where you can save up to £150 on headphones today. Unearth huge savings on your next phone plan and apply an O2 promo code from Mirror Discounts. Take a look at the latest mobile handsets from O2 right now and choose a plan that suits you and your wallet. Browse pre-built plans or customise your plans to get the airtime, data, upfront costs and monthly costs that suit you and your chosen handset. Choose from the biggest brands across the world such as: Apple, Samsung, Google, Sony, OnePlus, Nokia, Doro, Huawei and many more! Select the best and hottest handsets right now such as: iPhone 12 5G, iPhone 12 Pro Max 5G, iPhone 12 Mini, iPhone 11, Samsung Galaxy S21 5G, Samsung Galaxy S21 Ultra 5G, Samsung Galaxy Z Fold3. Make sure you redeem an O2 discount code at the checkout to save money on your next plan and handset price.

O2 discount code

Get more bang for your buck with O2 Extras

O2 offer a huge range of O2 Extras when you purchase a selected device or sim only contract. These O2 Extras offer you amazing services such as: Amazon Music, Prime Video, Audible, Cafeyn, McAfee, Calm, International Bol On, O2 Travel Bolt On and more. You can also use the O2 Recycle to get the most out of handing in your old handset when upgrading to a new one! Get an extra £150 when you purchase the Samsung Galaxy S21 Ultra 5G, S21 Plus 5G or S21 5G and trade in your old handset with O2 Recycle. You can use your order number as an O2 discount code to redeem this offer. You can still hand over your old device if it is still broken as O2 can still recycle its parts and components. You will get a quick payment straight into your bank account so you won't have to worry about getting your money back. You can also get flexible postage options for sending your old handset to O2 with a free printable shipping label which O2 provide for you free of charge. Get the best offers and deals with an O2 discount code today.

O2 discount codes

Popular O2 Discount Codes

Reduction TitleEnd date
20% discount Claim 20% OFF after you add a new contract to your online plan 25/08/2022
Free Roaming Take FREE Roaming for your next EU holiday 25/08/2022
£38.99 discount Purchase the iPhone 13 for just £38.99 a month! Hurry! 25/08/2022
£28 discount Buy the iPad Pro 5G for just £28/month right now! 25/08/2022
£200 discount Take £200 OFF on the Sony Xperia 1 III after you redeem this voucher code!! 25/08/2022