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O2 Promo Codes & Cashback 2020

Updated January 11, 2020
O2 is the UK’s leading provider of mobile phones and mobile broadband, offering a great choice of phone handsets, SIM only, tablets, wearables and iPad SIM deals. As well as all this, O2 also offers its customers amazing exclusive incentives. Make sure to use O2 promo codes and O2 discount codes for savings on your next plan.
Top cashback offers
£75 cashback
for a pay monthly SIMO contract with a tariff of £30+
1 use today
3% cashback
for accessory sales
2% cashback
for all Smartwatches sales
£10 cashback
for a pay monthly SIMO contract with a tariff of £9.99 or less
£22.50 cashback
for a pay monthly SIMO contract with a tariff of £10 - £14.99
£40 cashback
for a pay monthly SIMO contract with a tariff of £15 - £19.99
£50 cashback
for a pay monthly SIMO contract with a tariff of £20 - £24.99
£65 cashback
for a pay monthly SIMO contract with a tariff of £25 - £29.99
£60 cashback
for a Tablet with 10GB
£22 cashback
for a Tablet with 1GB
£60 cashback
for a Tablet with 20GB
£30 cashback
for a Tablet with 2GB
£35 cashback
for a Tablet with 3GB
£5 cashback
for a Tablet with 500MB
£40 cashback
for a Tablet with 5GB
£40 cashback
for a Tablet with 6GB
£45 cashback
for a Tablet with 8GB

£100
OFF
2 uses today

Apply this O2 promo code for £100 off the iPhone X

£100 Off
2 uses today

Apply this O2 promo code for £100 off the iPhone X

UNDER
£9
6 uses today

Get the 2019 iPad for under £9 per month

Get Deal
Under £9
6 uses today

Get the 2019 iPad for under £9 per month

20%
OFF
3 uses today

At least 20% off and free next day delivery on all clearance tech

Grab a new tablet or smartphone from brands like Apple, Samsung, Sony, and LG for up to 20% off.
20% Off
3 uses today

At least 20% off and free next day delivery on all clearance tech

Grab a new tablet or smartphone from brands like Apple, Samsung, Sony, and LG for up to 20% off.

20%
OFF
4 uses today

20% student discount on Airtime Plans

20% Off
4 uses today

20% student discount on Airtime Plans

FREE
GIFT
3 uses today

Get £25 in Amazon vouchers when you refer a friend

Free Gift
3 uses today

Get £25 in Amazon vouchers when you refer a friend

FREE
DELIVERY
1 use today

Free delivery on all orders

Free Delivery
1 use today

Free delivery on all orders

£10
OFF
4 uses today

£10 free credit when you buy a Big Bundle

Grab any O2 pay as you go sim card bundle and receive a £10 credit.
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£10 Off
4 uses today

£10 free credit when you buy a Big Bundle

Grab any O2 pay as you go sim card bundle and receive a £10 credit.

50%
OFF
2 uses today

Winter Sale: 10GB SIM Only plan for for 50% off during the first 3 months

Get Deal
50% Off
2 uses today

Winter Sale: 10GB SIM Only plan for for 50% off during the first 3 months

£5 BONUS
4 uses today

Recycle your old device and receive an extra £5 bonus with this O2 discount code

£5 Bonus
4 uses today

Recycle your old device and receive an extra £5 bonus with this O2 discount code

10%
OFF
1 use today

Take 5-10% off top-ups every three months

Get Deal
10% Off
1 use today

Take 5-10% off top-ups every three months

£12.50
OFF
1 use today

£12.50 off 100GB SIM Only plan for 3 months with the Winter Sale

Get Deal
£12.50 Off
1 use today

£12.50 off 100GB SIM Only plan for 3 months with the Winter Sale

25%
OFF
9 uses today

Shop like new devices for over 25% off

Enjoy great discounts on these refurbished phones that include a 12-month warranty.
25% Off
9 uses today

Shop like new devices for over 25% off

Enjoy great discounts on these refurbished phones that include a 12-month warranty.

40%
OFF
1 use today

10-40% off airtime with Family Plan

40% Off
1 use today

10-40% off airtime with Family Plan

FREE
2 uses today

Free Pay As You Go SIMs

Sign up for a pay-as-you-go plan and you'll get the SIM card for free.
Free
2 uses today

Free Pay As You Go SIMs

Sign up for a pay-as-you-go plan and you'll get the SIM card for free.

3 MONTHS FREE
1 use today

Winter Sale: Get 3 months free airtime when you buy a tablet

Get Deal
3 Months Free
1 use today

Winter Sale: Get 3 months free airtime when you buy a tablet

£20
1 use today

30GB for £20 with 18-month sim only plans

Get Deal
£20
1 use today

30GB for £20 with 18-month sim only plans

FROM
£16.75
5 uses today

Pay monthly phones from £16.75

From £16.75
5 uses today

Pay monthly phones from £16.75

£64.30
2 uses today

Buy the iPhone 11 with 90GB data for £64.30 per month

Get Deal
£64.30
2 uses today

Buy the iPhone 11 with 90GB data for £64.30 per month

20%
OFF
1 use today

Nearly 20% off headphones and accessories

Get Deal
20% Off
1 use today

Nearly 20% off headphones and accessories

FROM
£8
2 uses today

Tablets starting at £8 per month

Get Deal
From £8
2 uses today

Tablets starting at £8 per month

IN STORE
1 use today

Free Click and Collect on all orders

IN STORE
1 use today

Free Click and Collect on all orders

FREE
RETURNS
1 use today

Free returns on all orders within 14 days

Free Returns
1 use today

Free returns on all orders within 14 days

Popular Expired O2 Discount Codes
£200 Off
1 use today

Get £200 off the Samsung Galaxy S10 Plus with this Winter Offer

Free Headphones
5 uses today

Grab a free pair of Huawei buds with your phone plan

£100 Off
1 use today

Over £100 off phones and tablets during the Christmas sale

More About O2

O2 Online Top Ups

If you're considering your next mobile purchase or thinking about switching carriers, there are lots of options available at O2 online! You can choose from a variety of discounted phone deals or opt for an O2 SIM only deal. It's easy to top up your credit by phone or using O2 online top upservice, so even if you're on a PAYG basis, you won't run out of phone credit any time soon!


O2 Phone Plans

O2 phone plans are easy to tailor to your needs, meaning you get the best phone deals that are customised to your exact requirements. It's easy to upgrade when you choose  a customised phone plan from O2, and you can also spread your balance over 36 months if preferred. Don't forget to shop around for the best O2 promo codes before signing up for your new price plan. 


Contact the O2 Customer Service Team 

Managing your O2 phone service, and using O2 discount codes, is quick and simple from your personal online account, but there are sure to be times you need to get in touch with the O2 customer service team. You may need to find out more about O2 WiFi calling, or perhaps you need to call O2 to cancel your contract. No matter the reason, you can get in touch with a representative by using the O2 phone number, 202, from your mobile device. All other phone numbers are listed on the O2 website; alternatively you can chat with an O2 expert online using the LiveChat facility as well.