Updated May 31, 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 May 31, 2020

£150
OFF
PROMO CODE

Get £150 off the upfront cost of Apple iPhone Xs Max at O2

Take this O2 promo code for £150 off an Apple iPhone Xs Max 256GB for a limited time.
GET CODE IPXSMAX150OFF

Get £150 off the upfront cost of Apple iPhone Xs Max at O2

Take this O2 promo code for £150 off an Apple iPhone Xs Max 256GB for a limited time.
£150 Off

10%
OFF
SALE

Grab the latest O2 promo codes and deals for 10% off

Check here for more great O2 deals and voucher codes on mobile phones and broadband offers for over 10% off.
6 people used today
GET DEAL

Grab the latest O2 promo codes and deals for 10% off

Check here for more great O2 deals and voucher codes on mobile phones and broadband offers for over 10% off.
10% Off
6 people used today

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.
1 person used today
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
1 person used today

£25
OFF
SALE

Get a free £25 Amazon voucher when you refer a friend to O2

Refer your friends and once they purchase a phone, tablet, or mobile broadband from O2 Refresh, receive a free £25 Amazon voucher.
GET DEAL

Get a free £25 Amazon voucher when you refer a friend to O2

Refer your friends and once they purchase a phone, tablet, or mobile broadband from O2 Refresh, receive a free £25 Amazon voucher.
£25 Off

£100
OFF
PROMO CODE

Take £100 off the Apple iPhone 11 Pro Like New at O2

Enjoy £100 off the upfront cost of the Apple iPhone 11 Pro 265GB with this O2 promo code.
2 people used today
GET CODE 11PRO100

Take £100 off the Apple iPhone 11 Pro Like New at O2

Enjoy £100 off the upfront cost of the Apple iPhone 11 Pro 265GB with this O2 promo code.
£100 Off
2 people used today

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.
2 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
2 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

£150
OFF
PROMO CODE

Enjoy £150 off Apple iPhone Xs Like New devices with this O2 promo code

Take £150 off the upfront cost of the Like-New Apple iPhone Xs when applying this O2 discount code at the checkout.
GET CODE XSLN150

Enjoy £150 off Apple iPhone Xs Like New devices with this O2 promo code

Take £150 off the upfront cost of the Like-New Apple iPhone Xs when applying this O2 discount code at the checkout.
£150 Off

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

£150
OFF
SALE

Enjoy up to £150 off Samsung Galaxy S20 at O2

Grab the new 5G Samsung Galaxy S20 phone for up to £150 off with O2.
GET DEAL

Enjoy up to £150 off Samsung Galaxy S20 at O2

Grab the new 5G Samsung Galaxy S20 phone for up to £150 off with O2.
£150 Off

40%
OFF
SALE

Get 10-40% off an O2 family plan

When you have a plan with the entire family, you can save up to 40% off your bill at O2.
GET DEAL

Get 10-40% off an O2 family plan

When you have a plan with the entire family, you can save up to 40% off your bill at O2.
40% Off

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

£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%
OFF
SALE

Take 20% off antibacterial phones cases at O2

Shop this O2 sale to get Tech 21 cases with built-in antibacterial protection and save 20% off your purchase.
GET DEAL

Take 20% off antibacterial phones cases at O2

Shop this O2 sale to get Tech 21 cases with built-in antibacterial protection and save 20% off your purchase.
20% Off

£20
SALE

Receive 100GB for £20 on O2 sim only plans

For 12-months, pay £20 per month and get 100GB of data with this O2 sim only deal.
GET DEAL

Receive 100GB for £20 on O2 sim only plans

For 12-months, pay £20 per month and get 100GB of data with this O2 sim only deal.
£20

40%
OFF
SALE

Get 10-40% off phone accessories at O2

Get these O2 deals on phone cases, chargers, earphones, bluetooth speakers, and more accessories for up to 40% off.
3 people used today
GET DEAL

Get 10-40% off phone accessories at O2

Get these O2 deals on phone cases, chargers, earphones, bluetooth speakers, and more accessories for up to 40% off.
40% Off
3 people 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

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
2 people used today

Take 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
6 people used today

Receive an extra 5GB of data on select phones with O2 Refresh

Buy a phone from O2 and enjoy an extra 5GB of data with your plan.
5GB Data
2 people used today