Updated July 30, 2021

O2 Promo Codes August 2021

23 active O2 promo codes for phones, tablets, broadband, and more
23 active O2 promo codes for phones, tablets, broadband, and more

£145
OFF
SALE

Receive current O2 promo codes and offers for up to £145 off

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

Receive current O2 promo codes and offers for up to £145 off

Enjoy these great O2 deals and promo codes to save up to £30 on mobile phones, accessories, and sim only deals.
£145 Off
13 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

20%
OFF
SALE

Enjoy this O2 Family discount for 20% off airtime plans

Add a new connection to your plan and save 20% with this family deal.
GET DEAL

Enjoy this O2 Family discount for 20% off airtime plans

Add a new connection to your plan and save 20% with this family deal.
20% Off

25%
OFF
SALE

Take up to 25% off Airtime Plans with the O2 NHS discount

NHS employees are eligible to join O2 Open, a discount programme that allows them to save up to 25% on Airtime Plans!
1 person used today
GET DEAL

Take up to 25% off Airtime Plans with the O2 NHS discount

NHS employees are eligible to join O2 Open, a discount programme that allows them to save up to 25% on Airtime Plans!
25% Off
1 person used today

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.
4 people 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
4 people used today

£2
OFF
SALE

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

Receive up to 12 months of Disney Plus when added to your O2 plan and save £2 on your bill every month.
3 people used today
GET DEAL

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

Receive up to 12 months of Disney Plus when added to your O2 plan and save £2 on your bill every month.
£2 Off
3 people used today

UNDER
£30
SALE

Take advantage of the lowest iPhone 12 price at O2 from under £30 per month

Shop the latest Apple iPhone 12 deals this season! Grab a new phone for £30-£50 upfront, and enjoy a monthly plan of your choice at a low monthly cost.
5 people used today
GET DEAL

Take advantage of the lowest iPhone 12 price at O2 from under £30 per month

Shop the latest Apple iPhone 12 deals this season! Grab a new phone for £30-£50 upfront, and enjoy a monthly plan of your choice at a low monthly cost.
Under £30
5 people used today

FREE
AIRTIME
SALE

Enjoy 6 months of free Airtime with select phone and tablet purchases at O2

Shop select iPhone 12 models, Pay Monthly tablets, and other devices during this sale to get 6 months' Airtime for free!
GET DEAL

Enjoy 6 months of free Airtime with select phone and tablet purchases at O2

Shop select iPhone 12 models, Pay Monthly tablets, and other devices during this sale to get 6 months' Airtime for free!
Free Airtime

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.
3 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
3 people used today

£400
OFF
SALE

Trade In Deal: Get up £400 off when you upgrade to an Apple iPhone 12 at O2

Use the recycling program and enjoy a trade-in value of £400 when you recycle your old phone for the new Apple iPhone 12.
GET DEAL

Trade In Deal: Get up £400 off when you upgrade to an Apple iPhone 12 at O2

Use the recycling program and enjoy a trade-in value of £400 when you recycle your old phone for the new Apple iPhone 12.
£400 Off

FREE
FITBIT
SALE

Claim a free Fitbit Inspire 2 with the purchase of select Motorola phones at O2

Shop the Motorola G9 Play or Moto g50 phones to get a FREE Fitbit Inspire 2 watch and 12-month subscription with this limited time offer.
GET DEAL

Claim a free Fitbit Inspire 2 with the purchase of select Motorola phones at O2

Shop the Motorola G9 Play or Moto g50 phones to get a FREE Fitbit Inspire 2 watch and 12-month subscription with this limited time offer.
Free Fitbit

£349
OFF
SALE

Clearance Sale: Take up to £349 off phones, tablets, and more tech at O2

Shop this clearance sale on new and refurbished mobile phones, tablets, iPads, headphones, accessories, and much more for up to £349 off.
GET DEAL

Clearance Sale: Take up to £349 off phones, tablets, and more tech at O2

Shop this clearance sale on new and refurbished mobile phones, tablets, iPads, headphones, accessories, and much more for up to £349 off.
£349 Off

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

20%
OFF
SALE

Get 20% off your Airtime Plan by adding a Sony Xperia phone to your O2 connection

Enjoy 5G speeds with the Sony Xperia 10 III device and when you add it to your connection you'll receive an extra 20% off your Airtime Plan with this limited time offer.
GET DEAL

Get 20% off your Airtime Plan by adding a Sony Xperia phone to your O2 connection

Enjoy 5G speeds with the Sony Xperia 10 III device and when you add it to your connection you'll receive an extra 20% off your Airtime Plan with this limited time offer.
20% Off

£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.
2 people used today
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
2 people used today

£54
OFF
SALE

Get up to £54 off a Family Tablet Bundle at O2

Shop this bundle offer to save on an Alcatel tablet, protective case, stand, and children's software for a limited time.
GET DEAL

Get up to £54 off a Family Tablet Bundle at O2

Shop this bundle offer to save on an Alcatel tablet, protective case, stand, and children's software for a limited time.
£54 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
£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.
1 person used today
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
1 person used today

UNDER
£30
SALE

Shop Samsung Galaxy S20 phones from under £30 per month with O2

Save on select Galaxy S20 mobile phones with this limited time offer with prices starting for less than £30 monthly on a 36-month contract.
GET DEAL

Shop Samsung Galaxy S20 phones from under £30 per month with O2

Save on select Galaxy S20 mobile phones with this limited time offer with prices starting for less than £30 monthly on a 36-month contract.
Under £30

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

FROM
£18
SALE

Shop Apple Watches from £18 per month at O2

Grab an Apple Watch Series 6 starting under £18 monthly with select contracts.
GET DEAL

Shop Apple Watches from £18 per month at O2

Grab an Apple Watch Series 6 starting under £18 monthly with select contracts.
From £18

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
£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

Popular expired O2 Discount Codes For August 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.
1 person used today

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
1 person used today

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

£30
OFF
PROMO CODE

Receive £30 off upfront fees on select phones with this O2 voucher code

Shop for top brand phones and knock £30 off upfront fees with this discount code at checkout. Hurry! This offer won't last.
1 person used today

Receive £30 off upfront fees on select phones with this O2 voucher code

Shop for top brand phones and knock £30 off upfront fees with this discount code at checkout. Hurry! This offer won't last.
£30 Off
1 person used today

£50
OFF
PROMO CODE

Enjoy £50 off the Google Pixel 4a phone with this O2 promo code

Enjoy saving £50 on the upfront cost of this Google Pixel 4a mobile phone using this O2 discount code.

Enjoy £50 off the Google Pixel 4a phone with this O2 promo code

Enjoy saving £50 on the upfront cost of this Google Pixel 4a mobile phone using this O2 discount code.
£50 Off

£50
OFF
PROMO CODE

Grab select Line New phones for £50 off the upfront cost at O2

Get the Huawei P40 5G, Mate 20, Samsung Galaxy Note10 Plus, or the Galaxy A90 for an extra £50 off the upfront cost.

Grab select Line New phones for £50 off the upfront cost at O2

Get the Huawei P40 5G, Mate 20, Samsung Galaxy Note10 Plus, or the Galaxy A90 for an extra £50 off the upfront cost.
£50 Off

£144
OFF
PROMO CODE

Take up to £144 off this Like New Samsung Galaxy S20 phone at O2

Enjoy a £4 discount on your Airtime Plan for 36 months, with a total discount for £144 off when you use this O2 promo code on the Like New Samsung Galaxy S20 5G phone.

Take up to £144 off this Like New Samsung Galaxy S20 phone at O2

Enjoy a £4 discount on your Airtime Plan for 36 months, with a total discount for £144 off when you use this O2 promo code on the Like New Samsung Galaxy S20 5G phone.
£144 Off

£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.

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

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.