Updated April 11, 2021

O2 Promo Codes April 2021

Stay connected with the best devices at O2. Find a mobile plan that works great for you and your busy life. You can save even more with these active O2 promo codes and O2 discount codes at the checkout.
Stay connected with the best devices at O2. Find a mobile plan that works great for you and your busy life. You can save even more with these active O2 promo codes and O2 discount codes at the checkout.
Updated April 11, 2021

£30
OFF
SALE

Find the latest O2 promo codes and deals for up to £30 off

Enjoy these great O2 deals and promo codes to save up to £30 on mobile phones, accessories, and sim only deals.
22 people used today
GET DEAL

Find the latest O2 promo codes and deals for up to £30 off

Enjoy these great O2 deals and promo codes to save up to £30 on mobile phones, accessories, and sim only deals.
£30 Off
22 people used today

20%
OFF
SALE

Take 20% off airtime plans with the O2 student discount

Stay connected with these O2 Airtime plans and save 20% if you're a student.
5 people used today
GET DEAL

Take 20% off airtime plans with the O2 student discount

Stay connected with these O2 Airtime plans and save 20% if you're a student.
20% Off
5 people used today

£250
OFF
PROMO CODE

Knock £250 off Samsung Galaxy S10 phones with this O2 promo code

Save on the upfront cost when you purchase the Samsung Galaxy S10 mobile phone.
GET CODE 250OFFWSL

Knock £250 off Samsung Galaxy S10 phones with this O2 promo code

Save on the upfront cost when you purchase the Samsung Galaxy S10 mobile phone.
£250 Off

£100
OFF
PROMO CODE

Take £100 off the upfront cost of the Sony Xperia phone with this O2 discount code

Grab the Sony Xperia 1 II 5G mobile phone and save £100 on the upfront cost when you enter this O2 promo code.
GET CODE 100OFFSONY

Take £100 off the upfront cost of the Sony Xperia phone with this O2 discount code

Grab the Sony Xperia 1 II 5G mobile phone and save £100 on the upfront cost when you enter this O2 promo code.
£100 Off

£50
OFF
PROMO CODE

Enjoy £50 off the upfront cost of Apple iPhone Xs 256GB phones with this O2 promo code

Grab Like New iPhone Xs phones for £50 off the upfront cost when you apply this discount code.
GET CODE XS50OFF

Enjoy £50 off the upfront cost of Apple iPhone Xs 256GB phones with this O2 promo code

Grab Like New iPhone Xs phones for £50 off the upfront cost when you apply this discount code.
£50 Off

£20
SALE

Enjoy 150GB for £20 with this O2 Sim only deal

For 24 months, get a sim only plan for £20 and enjoy 150GB of data with unlimited data and up to 6 free months of Apple Music.
GET DEAL

Enjoy 150GB for £20 with this O2 Sim only deal

For 24 months, get a sim only plan for £20 and enjoy 150GB of data with unlimited data and up to 6 free months of Apple Music.
£20

£2
OFF
SALE

Enjoy £2 off your bill when you add Disney+ to your O2 plan

Receive up to 12 months of Disney+ when added to your O2 plan and save £2 on your bill every month.
GET DEAL

Enjoy £2 off your bill when you add Disney+ to your O2 plan

Receive up to 12 months of Disney+ when added to your O2 plan and save £2 on your bill every month.
£2 Off

25%
OFF
SALE

Score 15-25% off your Airtime plan with this O2 Open employee deal

If you work for an eligible company, you can enjoy up to 25% off 1-3GB airtime plans with data, minutes, and texts.
1 person used today
GET DEAL

Score 15-25% off your Airtime plan with this O2 Open employee deal

If you work for an eligible company, you can enjoy up to 25% off 1-3GB airtime plans with data, minutes, and texts.
25% Off
1 person used today

20%
OFF
SALE

Family Discount: Enjoy 20% off Airtime plans at O2

Add an extra phone, tablet, or sim to your bill and enjoy this 20% family discount.
3 people used today
GET DEAL

Family Discount: Enjoy 20% off Airtime plans at O2

Add an extra phone, tablet, or sim to your bill and enjoy this 20% family discount.
20% Off
3 people used today

FREE
DELIVERY
DEAL

Get free home delivery on all UK orders at O2

Customers with a UK address are able to get free delivery to your home.
GET DEAL

Get free home delivery on all UK orders at O2

Customers with a UK address are able to get free delivery to your home.
Free Delivery

£312
OFF
SALE

Get up to £312 off the 256GB Apple iPad Air at O2

Enjoy saving £312 on the iPad Air 2020 with a capacity of 256GB for a limited time.
2 people used today
GET DEAL

Get up to £312 off the 256GB Apple iPad Air at O2

Enjoy saving £312 on the iPad Air 2020 with a capacity of 256GB for a limited time.
£312 Off
2 people used today

£10
OFF
SALE

Receive a £10 credit on O2 Pay As You Go sims

Order a Pay As You Go sim from O2 and get a £10 credit to your account.
GET DEAL

Receive a £10 credit on O2 Pay As You Go sims

Order a Pay As You Go sim from O2 and get a £10 credit to your account.
£10 Off

£100
OFF
SALE

Enjoy up to £100 off clearance phones from O2

Browse these O2 deals on mobiles phones to save on upfront costs and much more.
GET DEAL

Enjoy up to £100 off clearance phones from O2

Browse these O2 deals on mobiles phones to save on upfront costs and much more.
£100 Off

£5 CREDIT
SALE

Claim a £5 Pay As You Go credit for new customers at O2

New customers can register at My O2 and receive a £5 free credit for a Pay As You Go number.
GET DEAL

Claim a £5 Pay As You Go credit for new customers at O2

New customers can register at My O2 and receive a £5 free credit for a Pay As You Go number.
£5 Credit

FROM
£10
SALE

Enjoy O2 sim only deals from £10 per month

Find the best sim only deal for you with O2 plans starting from £10 every month.
GET DEAL

Enjoy O2 sim only deals from £10 per month

Find the best sim only deal for you with O2 plans starting from £10 every month.
From £10

FREE
MONTH
SALE

Get up to 6 months of Apple Music for free with select O2 phone plans

Purchase an Apple iPhone 12 and get 6 free months of Apple Music.
GET DEAL

Get up to 6 months of Apple Music for free with select O2 phone plans

Purchase an Apple iPhone 12 and get 6 free months of Apple Music.
Free Month

£150
OFF
SALE

Receive a £150 Google Play gift code with a Samsung Galaxy S21 purchase at O2

Buy a new Samsung Galaxy S21 mobile phone and get a £150 Google Play gift code with your order.
GET DEAL

Receive a £150 Google Play gift code with a Samsung Galaxy S21 purchase at O2

Buy a new Samsung Galaxy S21 mobile phone and get a £150 Google Play gift code with your order.
£150 Off

£350
OFF
SALE

Trade in your old phone for up £350 off the Apple iPhone 12 at O2

Use the recycling program and enjoy a trade-in value of £350 when you recycle your old phone for the new Apple iPhone 12.
GET DEAL

Trade in your old phone for up £350 off the Apple iPhone 12 at O2

Use the recycling program and enjoy a trade-in value of £350 when you recycle your old phone for the new Apple iPhone 12.
£350 Off

FREE
GIFTS
SALE

Claim free gifts worth up to £395 when you buy an OPPO phone at O2

Purchase an OPPO phone and receive one of these gifts from a smartwatch to headphones worth up to £395.
GET DEAL

Claim free gifts worth up to £395 when you buy an OPPO phone at O2

Purchase an OPPO phone and receive one of these gifts from a smartwatch to headphones worth up to £395.
Free Gifts

FREE
EARBUDS
SALE

Receive a free pair of Samsung Galaxy Buds+ with this phone at O2

Get a Samsung Galaxy A42 5G phone and claim a free pair of Galaxy Buds+ with your purchase.
GET DEAL

Receive a free pair of Samsung Galaxy Buds+ with this phone at O2

Get a Samsung Galaxy A42 5G phone and claim a free pair of Galaxy Buds+ with your purchase.
Free Earbuds

FREE
AIRTIME
SALE

Enjoy 6 months of FREE airtime on select phone plans at O2

Get mobile phones from Apple, Samsung, Motorola, Oppo, and more to get 6 months' free airtime.
1 person used today
GET DEAL

Enjoy 6 months of FREE airtime on select phone plans at O2

Get mobile phones from Apple, Samsung, Motorola, Oppo, and more to get 6 months' free airtime.
Free Airtime
1 person used today

30%
OFF
SALE

Take 20-30% off wireless accessories at O2

Save up to 30% on select wireless headphones and charging devices at this O2 accessories sale.
2 people used today
GET DEAL

Take 20-30% off wireless accessories at O2

Save up to 30% on select wireless headphones and charging devices at this O2 accessories sale.
30% Off
2 people used today

UNDER
£25
SALE

Find O2 mobile phone plans for less than £25 per month

Browse these O2 mobile deals to get top brand phones for under £25 per month with select contracts.
GET DEAL

Find O2 mobile phone plans for less than £25 per month

Browse these O2 mobile deals to get top brand phones for under £25 per month with select contracts.
Under £25

FREE
YEAR
SALE

Enjoy a free year of Apple TV+ when you buy any Apple phone or tablet at O2

Pick up a new Apple iPhone or iPad and you'll get a full year of access to Apple TV+ for free with this O2 deal.
GET DEAL

Enjoy a free year of Apple TV+ when you buy any Apple phone or tablet at O2

Pick up a new Apple iPhone or iPad and you'll get a full year of access to Apple TV+ for free with this O2 deal.
Free Year

FROM
£10
SALE

Top up your O2 Pay As You Go device from £10

Browse these O2 Top up offers starting from £10 on a Pay as you go device.
GET DEAL

Top up your O2 Pay As You Go device from £10

Browse these O2 Top up offers starting from £10 on a Pay as you go device.
From £10

FROM
£7.99
SALE

Get tablets from £7.99 per month at O2

Shop Apple and Android tablets with O2 Pay As You Go plans starting as low as £7.99.
GET DEAL

Get tablets from £7.99 per month at O2

Shop Apple and Android tablets with O2 Pay As You Go plans starting as low as £7.99.
From £7.99

FROM
£29.99
SALE

Shop fitness trackers at O2 starting from £29.99

Take your fitness to the next level with these O2 activity and fitness trackers from Samsung, Fitbit, and more.
GET DEAL

Shop fitness trackers at O2 starting from £29.99

Take your fitness to the next level with these O2 activity and fitness trackers from Samsung, Fitbit, and more.
From £29.99

More About O2

O2 Sales

Looking for the best deal on a new mobile is easy when you shop O2 sales. Check out and save on a range of clearance mobile phones and tablets. You can also check out the refurbished list of mobile phones at O2 for more savings! Choose from Monthly or Pay As You Go devices.

Make sure to grab an O2 promo code and O2 discount codes to save on devices such as Apple iPhone, Samsung Galaxy, Huawei, and more.

O2 Methods of Payment

O2 accepts all major credit and debit cards are accepted online when you are purchasing a product. You can also use your PayPal account if you need to top up your O2 mobile.

O2 accepted methods of payment:

  • PayPal
  • Visa
  • MasterCard
  • Masetro or JCB or Debit Card

How to Unlock O2 Phones

If you want to use an O2 mobile on a different network, you will need to unlock the device. It's free to unlock your mobile phone at any time you wish to switch over to another network. The quickest way to unlock is through My O2 online or through the main menu on your My O2 app. It doesn't matter if you are paying monthly or pay as you go customer, you can still unlock any O2 mobile device.

Sales & Discount Codes for O2

O2 Promo Codes for Your Next ShopSavings
Not Working50% off sim only plans with this O2 promo code50% Off
Not WorkingApple Watch Series for £20 off using this O2 promo code£20 Off
Not WorkingO2 discount code for 15% off mobile accessories15% Off
Not WorkingUpgrade your phone or tablet with this O2 promo code for up to 20% off20% Off
Not WorkingO2 discount code for up to £216 off Airtime plans for Samsung phones£216 Off

FAQs with O2


Does O2 have a student discount?

Yes! Students can get a 20% off discount on their Airtime Plan when they pick up a phone, tablet or mobile broadband device on O2 Refresh. This plan covers calling, texting and data. Students can also get 20% off of accessories. Some terms and conditions may apply. For more information, please visit the O2 website for all the details.


Does O2 have free delivery?

Yes! O2 has free delivery within the UK on all devices, sims and accessories. However, if you have a busy schedule and want to pick a specific day to pick up your purchase, you can opt for premium delivery for a small fee. Some restrictions may apply. For more information on their delivery service, please visit the O2 website.


What is O2 Open offer?

O2 Open offer is a special discount that you can get if you work for certain qualifying companies. With the O2 Open offer, you may be eligible to get up to 25% off of your Airtime Plan when you buy a new phone or tablet on O2 Refresh. O2 is currently working with NHS, teachers, Sainsbury’s and many other companies; so there is a good chance that you may qualify for this offer. To see if you qualify for this offer and for more details, please visit the O2 website.

Popular expired O2 Discount Codes For April 2021

20%
OFF
PROMO CODE

Take 20% off smartphone accessories with this O2 promo code

Grab smartphone cases, headphones, and chargers for 20% off with this O2 discount code.

Take 20% off smartphone accessories with this O2 promo code

Grab smartphone cases, headphones, and chargers for 20% off with this O2 discount code.
20% Off

15%
OFF
PROMO CODE

Get an extra 15% off tech and accessories using this O2 discount code

For PayPal customers, when you shop select O2 wireless earbuds, phone cases, bluetooth speakers and more, you'll receive 15% off at O2 UK. Offer excludes Apple Airpods.

Get an extra 15% off tech and accessories using this O2 discount code

For PayPal customers, when you shop select O2 wireless earbuds, phone cases, bluetooth speakers and more, you'll receive 15% off at O2 UK. Offer excludes Apple Airpods.
15% Off

£25
OFF
PROMO CODE

Score £25 off the upfront cost of the Huawei Y6s phone with this O2 voucher code

Want to save on your next phone plan? Get the Huawei Y6s or Huawei P Smart for £25 off when you use this promo code.

Score £25 off the upfront cost of the Huawei Y6s phone with this O2 voucher code

Want to save on your next phone plan? Get the Huawei Y6s or Huawei P Smart for £25 off when you use this promo code.
£25 Off