Updated September 22, 2020

O2 Promo Codes 2020

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 September 22, 2020

£216
OFF
PROMO CODE

Enjoy up to £216 off select Samsung Galaxy phones with this O2 promo code

Apply this O2 discount code to save up to £216 on the Samsung Galaxy S10 or the Samsung Galaxy Note10.
4 people used today
GET CODE SAMSUNG216OFF

Enjoy up to £216 off select Samsung Galaxy phones with this O2 promo code

Apply this O2 discount code to save up to £216 on the Samsung Galaxy S10 or the Samsung Galaxy Note10.
£216 Off
4 people used today

£80
OFF
PROMO CODE

Get £80 off the Apple iPhone 11 256GB with this O2 discount code

Purchase a new Apple iPhone 11 with 256GB and save £80 when you apply this O2 promo code.
4 people used today
GET CODE IPHONE1180OFF

Get £80 off the Apple iPhone 11 256GB with this O2 discount code

Purchase a new Apple iPhone 11 with 256GB and save £80 when you apply this O2 promo code.
£80 Off
4 people used today

£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.
6 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
6 people used today

£50
OFF
PROMO CODE

Knock £50 off the iPhone SE with this O2 promo code

Enjoy £50 off the upfront cost of the Apple iPhone SE 2020 with 256GB using this O2 discount code.
3 people used today
GET CODE IPHONESE50OFF

Knock £50 off the iPhone SE with this O2 promo code

Enjoy £50 off the upfront cost of the Apple iPhone SE 2020 with 256GB using this O2 discount code.
£50 Off
3 people used today

£100
OFF
PROMO CODE

Grab the Sony Xperia 1 for £100 off at O2

Use this O2 discount code to save £100 on the upfront cost of the Sony Xperia 1 phone.
GET CODE SONY100OFF

Grab the Sony Xperia 1 for £100 off at O2

Use this O2 discount code to save £100 on the upfront cost of the Sony Xperia 1 phone.
£100 Off

20%
OFF
SALE

Get a 20% student discount on Airtime plans and accessories at O2

Are you heading back to uni? Take advantage of this O2 student discount and save 20% on Airtime Plans and accessories.
4 people used today
GET DEAL

Get a 20% student discount on Airtime plans and accessories at O2

Are you heading back to uni? Take advantage of this O2 student discount and save 20% on Airtime Plans and accessories.
20% Off
4 people used today

FROM
£12
SALE

Enjoy O2 sim only deals from £12 per month

Find the best sim only deal for you with O2 plans starting from £12 every month.
2 people used today
GET DEAL

Enjoy O2 sim only deals from £12 per month

Find the best sim only deal for you with O2 plans starting from £12 every month.
From £12
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

40%
OFF
SALE

Family Deal: Take 10-40% off O2 Airtime plans

Enjoy saving an additional 10% on your Airtime O2 plan for every family member you add.
2 people used today
GET DEAL

Family Deal: Take 10-40% off O2 Airtime plans

Enjoy saving an additional 10% on your Airtime O2 plan for every family member you add.
40% Off
2 people used today

FREE
WATCH
SALE

Get a free Galaxy Watch with any Galaxy S20 Ultra 5G phone at O2

Get a new Samsung Galaxy S20 Ultra 5G and claim a free Galaxy Watch (worth £199) for a limited time with this O2 offer!
2 people used today
GET DEAL

Get a free Galaxy Watch with any Galaxy S20 Ultra 5G phone at O2

Get a new Samsung Galaxy S20 Ultra 5G and claim a free Galaxy Watch (worth £199) for a limited time with this O2 offer!
Free Watch
2 people used today

£20
SALE

Enjoy 100GB for £20 with this O2 sim only deal

Enjoy this O2 sim only offer and get 100GB for just £20 with an 18-month contract!
GET DEAL

Enjoy 100GB for £20 with this O2 sim only deal

Enjoy this O2 sim only offer and get 100GB for just £20 with an 18-month contract!
£20

25%
OFF
SALE

Take up to 25% off an Airtime Plan with O2 Open

If your company is eligible for O2 Open, you can get up to 25% off the Airtime plan.
GET DEAL

Take up to 25% off an Airtime Plan with O2 Open

If your company is eligible for O2 Open, you can get up to 25% off the Airtime plan.
25% 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.
1 person used today
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
1 person used today

FREE
AIRTIME
SALE

Get 6 free months of airtime with your Apple Watch Series 6 purchase at O2

Pick up a new Apple Watch from the latest series and enjoy 6 months of airtime FREE with this limited time O2 offer.
GET DEAL

Get 6 free months of airtime with your Apple Watch Series 6 purchase at O2

Pick up a new Apple Watch from the latest series and enjoy 6 months of airtime FREE with this limited time O2 offer.
Free Airtime

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

£2
OFF
SALE

Get 6 months of Disney+ for £2 off your O2 plan

Enjoy this O2 deal of £2 off your monthly bill when you add Disney+ to your plan.
GET DEAL

Get 6 months of Disney+ for £2 off your O2 plan

Enjoy this O2 deal of £2 off your monthly bill when you add Disney+ to your plan.
£2 Off

£20
SALE

Receive 80GB for £20 on O2 sim only plans

For 12-months, pay £20 per month and get 80GB of data with this O2 sim only deal.
1 person used today
GET DEAL

Receive 80GB for £20 on O2 sim only plans

For 12-months, pay £20 per month and get 80GB of data with this O2 sim only deal.
£20
1 person used today

FREE
DELIVERY
DEAL

Enjoy free home delivery at O2

Order your new O2 device today and get it delivered to your home for free.
GET DEAL

Enjoy free home delivery at O2

Order your new O2 device today and get it delivered to your home for free.
Free Delivery

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

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.

Popular expired O2 Discount Codes

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

£120
OFF
PROMO CODE

Take £120 off the upfront cost of Sony Xperia 5 at O2

Choose any data plan with O2 and receive £120 off the upfront cost when you purchase a Sony Xperia 5 phone.

Take £120 off the upfront cost of Sony Xperia 5 at O2

Choose any data plan with O2 and receive £120 off the upfront cost when you purchase a Sony Xperia 5 phone.
£120 Off