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.
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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.
Updated September 22, 2020
£216OFFPROMO 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
£80OFFPROMO 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
£30OFFSALE
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
£50OFFPROMO 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
£100OFFPROMO 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%OFFSALE
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£12SALE
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
£10OFFSALE
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%OFFSALE
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
FREEWATCHSALE
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
£20SALE
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%OFFSALE
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
£100OFFSALE
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
FREEAIRTIMESALE
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£10SALE
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
£2OFFSALE
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
£20SALE
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
FREEDELIVERYDEAL
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
FREEYEARSALE
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%OFFPROMO 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%OFFPROMO 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
£120OFFPROMO 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