O2 Promo Codes | Save 15% Off for January 2020 | NME
Updated January 16, 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 January 16, 2020

15%
OFF
PROMO CODE

Take 15% off mobile accessories with this O2 promo code

Grab phone cases, earbuds, smart watches, bluetooth speakers, and more accessories for 15% off when you apply this O2 discount code at the checkout.
4 people used today
GET CODE PAYPAL15

Take 15% off mobile accessories with this O2 promo code

Grab phone cases, earbuds, smart watches, bluetooth speakers, and more accessories for 15% off when you apply this O2 discount code at the checkout.
15% Off
4 people used today

£200
OFF
SALE

January Sale: Enjoy up to £200 off phones and tablets at O2

During this Winter Sale at O2, receive up to £200 off select Samsung, Apple, and Windows phones and tablets.
5 people used today
GET DEAL

January Sale: Enjoy up to £200 off phones and tablets at O2

During this Winter Sale at O2, receive up to £200 off select Samsung, Apple, and Windows phones and tablets.
£200 Off
5 people used today

20%
OFF
SALE

Get a 20% student discount on an Airtime plan at O2

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

Get a 20% student discount on an Airtime plan at O2

Are you heading back to uni? Take advantage of this O2 student discount and save 20% on Airtime Plans.
20% off
1 person used today

£30
OFF
SALE

Take £30 off wireless Samsung Galaxy Buds during this O2 sale

Snag these wireless Samsung ear buds for £30 off when you shop this O2 UK sale.
GET DEAL

Take £30 off wireless Samsung Galaxy Buds during this O2 sale

Snag these wireless Samsung ear buds for £30 off when you shop this O2 UK sale.
£30 Off

50%
OFF
SALE

Get 50% off iPhone 11 and 11 pro cases during the January Sale at O2

Shop for iPhone 11 and 11 pro BeHello phone cases at half price during this O2 sale!
GET DEAL

Get 50% off iPhone 11 and 11 pro cases during the January Sale at O2

Shop for iPhone 11 and 11 pro BeHello phone cases at half price during this O2 sale!
50% Off

£25
SALE

Tell a friend about O2 and get £25 in Amazon vouchers at O2

You will get £25 in Amazon vouchers when you friends take out an O2 Pay Monthly contract.
GET DEAL

Tell a friend about O2 and get £25 in Amazon vouchers at O2

You will get £25 in Amazon vouchers when you friends take out an O2 Pay Monthly contract.
£25

£12.50
SALE

Enjoy a 100GB sim only plan for £12.50 at O2

Grab this O2 sim only deal of 100 GB for £12.50 for the first 3 months, then £25 after.
GET DEAL

Enjoy a 100GB sim only plan for £12.50 at O2

Grab this O2 sim only deal of 100 GB for £12.50 for the first 3 months, then £25 after.
£12.50

50%
OFF
SALE

Get up to 50% off an O2 family plan

When you have a plan with the entire family, you can save up to 50% off your bill at O2.
GET DEAL

Get up to 50% off an O2 family plan

When you have a plan with the entire family, you can save up to 50% off your bill at O2.
50% off

20%
OFF
SALE

Find more O2 deals & offers

Check here for more great promotions and discounts on O2 mobile phones and plans.
GET DEAL

Find more O2 deals & offers

Check here for more great promotions and discounts on O2 mobile phones and plans.
20% Off

£10
OFF
SALE

Take £10 off select phone accessories at O2

Pick up Tech 21 phone cases and Zagg screen protectors and Take an extra £10 off!
GET DEAL

Take £10 off select phone accessories at O2

Pick up Tech 21 phone cases and Zagg screen protectors and Take an extra £10 off!
£10 Off

25%
OFF
SALE

Take up to 25% off 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 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

FROM
$15
SALE

Get an Apple Watch from O2 for just $15 a month

Enjoy a Series 4 Apple Watch for $15 a month for the first 6 months.
GET DEAL

Get an Apple Watch from O2 for just $15 a month

Enjoy a Series 4 Apple Watch for $15 a month for the first 6 months.
From $15 a Month

FROM
£10
SALE

Grab a pay as you go SIM for a minimum of £10 at O2

Grab the classic O2 pay as you go plan for only £10 a month.
GET DEAL

Grab a pay as you go SIM for a minimum of £10 at O2

Grab the classic O2 pay as you go plan for only £10 a month.
From £10

£20
SALE

Get 25GB of data for £20 at O2

Grab these pay monthly O2 sim only deals now with 25GB for £20!
GET DEAL

Get 25GB of data for £20 at O2

Grab these pay monthly O2 sim only deals now with 25GB for £20!
£20

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

IN STORE
DEAL

Enjoy free click and collect for your device from O2

Order your new O2 phone, tablet, or accessories and collect from your local store completely free of charge within the same day.
GET DEAL

Enjoy free click and collect for your device from O2

Order your new O2 phone, tablet, or accessories and collect from your local store completely free of charge within the same day.
In Store

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

Take £100-£150 off select refurbished Apple iPhones at O2

Shop the O2 Apple iPhone range for over £100 off the 'Like New' iPhone 7, iPhone 8, and iPhone Xs Max.
£150 Off

Winter Sale: Enjoy up to £200 off phones and tablets at O2

Shop the winter O2 sale for up to £200 off the latest phones and tablets.
£200 Off