O2 Promo Codes | 20% Off In August 2019 | Trusted Reviews
Updated August 14, 2019

O2 Promo Codes 2019

When you're shopping for a new mobile phone, shop at O2 to ensure you get the best selection of the latest phones and tablets, the best data plans in the UK, and flexible monthly rates. O2.co.uk offers flexible data plans to suit all lifestyles as well as family plans. When shopping for your new plan, make sure to use O2 promo codes and O2 discount codes for the best savings.

O2 Promo Codes 2019

When you're shopping for a new mobile phone, shop at O2 to ensure you get the best selection of the latest phones and tablets, the best data plans in the UK, and flexible monthly rates. O2.co.uk offers flexible data plans to suit all lifestyles as well as family plans. When shopping for your new plan, make sure to use O2 promo codes and O2 discount codes for the best savings.

20%
OFF

Get 20% off your plan with the O2 Student Discount

This incredible O2 student discount applies to Airtime plans.
Get Deal

Get 20% off your plan with the O2 Student Discount

This incredible O2 student discount applies to Airtime plans.
Get Deal
20% Off

£100
OFF

Take £100 off a like-new Huawei Mate 20 Pro from O2

Enter this code at checkout and take £100 off a refurbished Huawei Mate 20 Pro.
Get promo code100HUAWEI

Take £100 off a like-new Huawei Mate 20 Pro from O2

Enter this code at checkout and take £100 off a refurbished Huawei Mate 20 Pro.
Get promo code100HUAWEI
£100 Off

20%
OFF

Take 20% off phone accessories at O2

Apply this O2 discount code for 20% off phone cases, chargers, adapters, earphones and more.
1 person used today
Get promo codeACCESSORY20

Take 20% off phone accessories at O2

Apply this O2 discount code for 20% off phone cases, chargers, adapters, earphones and more.
Get promo codeACCESSORY20
20% Off
1 person used today

£150
OFF

Get £150 off the iPhone XS at O2

Upgrade from your old phone and save £150 while doing so thanks to this O2 discount code.
Get promo codeXS150OFF

Get £150 off the iPhone XS at O2

Upgrade from your old phone and save £150 while doing so thanks to this O2 discount code.
Get promo codeXS150OFF
£150 Off

£100
OFF

Grab the new iPhone XR for £100 off from O2

Are you a fan of iPhones? With this O2 promo code, you can grab the new XR for an entire £100 off!
Get promo codeXR100OFF

Grab the new iPhone XR for £100 off from O2

Are you a fan of iPhones? With this O2 promo code, you can grab the new XR for an entire £100 off!
Get promo codeXR100OFF
£100 Off

£100
OFF

Receive £100 off refurbished iPhones from O2

Refurbished phones are basically as good as new. Plus with this O2 voucher, you'll receive £100 off your order!
Get promo codeLIKENEW100

Receive £100 off refurbished iPhones from O2

Refurbished phones are basically as good as new. Plus with this O2 voucher, you'll receive £100 off your order!
Get promo codeLIKENEW100
£100 Off

FROM
£10

Find O2 SIM only deals from £10

O2 pay as you go and get SIM only plans start at just £10!
Get Deal

Find O2 SIM only deals from £10

O2 pay as you go and get SIM only plans start at just £10!
Get Deal
From £10

30%
OFF

Get phones and tablets for up to 30% off in the O2 clearance sale

Find the latest models of phones and tablets for up to 30% off when you shop shop at the O2 sale section.
Get Deal

Get phones and tablets for up to 30% off in the O2 clearance sale

Find the latest models of phones and tablets for up to 30% off when you shop shop at the O2 sale section.
Get Deal
30% Off

20%
OFF

Get all O2 promo codes, offers, and discounts

Whatever O2 deal we don't have here, at Trustedreviews, you can find here.
Get Deal

Get all O2 promo codes, offers, and discounts

Whatever O2 deal we don't have here, at Trustedreviews, you can find here.
Get Deal
20% Off

£50
OFF

Get £50 in vouchers with the O2 refer a friend discount

Tell a friend about O2 and you both get £25 worth of Amazon vouchers.
Get Deal

Get £50 in vouchers with the O2 refer a friend discount

Tell a friend about O2 and you both get £25 worth of Amazon vouchers.
Get Deal
£50 Off

£100
OFF

Trade an old device and get an extra £100 on Samsung Galaxy Note 10 order at O2

Grab this O2 deal and receive £100 when you recycle your old device for the Samsung Galaxy Note 10 series.
Get Deal

Trade an old device and get an extra £100 on Samsung Galaxy Note 10 order at O2

Grab this O2 deal and receive £100 when you recycle your old device for the Samsung Galaxy Note 10 series.
Get Deal
£100 Off

£15

Get an Apple Watch for under £15 from O2

Looking to buy a new Apple Watch? Get it from under £15 a month for customers with iPhone 6 or newer!
Get Deal

Get an Apple Watch for under £15 from O2

Looking to buy a new Apple Watch? Get it from under £15 a month for customers with iPhone 6 or newer!
Get Deal
£15

£30
OFF

Get up to £30 off select pay monthly devices at O2

Enjoy savings of up to £30 on selected phones when you choose to pay monthly. Find your O2 discount code at the basket page.
1 person used today
Get Deal

Get up to £30 off select pay monthly devices at O2

Enjoy savings of up to £30 on selected phones when you choose to pay monthly. Find your O2 discount code at the basket page.
Get Deal
£30 Off
1 person used today

£0

Get O2 mobile broadband devices for £0 upfront

Sign up for a 24-month mobile broadband plan with O2 and get your hotspot or dongle completely free.
Get Deal

Get O2 mobile broadband devices for £0 upfront

Sign up for a 24-month mobile broadband plan with O2 and get your hotspot or dongle completely free.
Get Deal
£0

£400
OFF

Take £400 off the Google Pixel 3 from O2

Snag a new Google Pixel 3 for £400 off when you purchase with a device plan.
Get Deal

Take £400 off the Google Pixel 3 from O2

Snag a new Google Pixel 3 for £400 off when you purchase with a device plan.
Get Deal
£400 Off

50%
OFF

Receive up to 50% off airtime with the O2 family plan

Save up to 50% and enjoy everything the O2 network has to offer when you add additional connections to your family plan.
Get Deal

Receive up to 50% off airtime with the O2 family plan

Save up to 50% and enjoy everything the O2 network has to offer when you add additional connections to your family plan.
Get Deal
50% Off

25%
OFF

You can save 25% on select phones and tablets if your company is eligible for O2 Open

This program allows the employees of companies that are eligible for O2 Open to receive a 25% off discount. Visit O2.co.uk to see if your company makes the cut.
Get Deal

You can save 25% on select phones and tablets if your company is eligible for O2 Open

This program allows the employees of companies that are eligible for O2 Open to receive a 25% off discount. Visit O2.co.uk to see if your company makes the cut.
Get Deal
25% off

30%
OFF

Take up to 30% off phone accessories at O2

Find huge savings on cases, screen protectors, headphones, speakers, chargers and more. No O2 promo code is required, all items are already marked down.
Get Deal

Take up to 30% off phone accessories at O2

Find huge savings on cases, screen protectors, headphones, speakers, chargers and more. No O2 promo code is required, all items are already marked down.
Get Deal
30% off

FREE
DELIVERY

Order before midnight and get free next day delivery at O2

Need your items quick? Just order before midnight and have it delivered the next day with this O2 deal.
Get Deal

Order before midnight and get free next day delivery at O2

Need your items quick? Just order before midnight and have it delivered the next day with this O2 deal.
Get Deal
Free Delivery

FROM
£22

Find refurbished phones from £22 at O2

These refurbished phones are like brand new, except they come at an affordable price. Take a look at this range of Apple and Samsung phones to get a great O2 deal.
Get Deal

Find refurbished phones from £22 at O2

These refurbished phones are like brand new, except they come at an affordable price. Take a look at this range of Apple and Samsung phones to get a great O2 deal.
Get Deal
From £22

IN STORE

Get free click and collect at O2

Shop for O2 sim cards and accessories online and you could get fee click and collect on select items.
Get Deal

Get free click and collect at O2

Shop for O2 sim cards and accessories online and you could get fee click and collect on select items.
Get Deal
In Store

More about O2

O2 Contact Information

The O2 phone number is 0344 809 0202, and you can use this for an O2 cancel contract request, to ask questions about O2 network coverage, or to make any other kind of query relating to your phone and account. 

Use your online account area too, speak to the team on live chat, or go into an O2 shop for help.

O2 Online Top Up

You can make an O2 online top up onto your account via the website, by calling 4444 from your phone or by setting up an auto top-up. 

You can buy O2 contracts online too. 

Look out for O2 promo codes that save you more!

O2 Network

The O2 network coverage can be checked online at any time to see what O2's regular and current coverage is in your area. 

Buy an O2 sim only for an existing contract online or in the O2 shop, and find out more about O2 wifi calling in the product demo area.

Popular Expired O2 Discount Codes

£30

Limited time only: Get 100GB of data and a free gift for £30 at O2

Limited time only: Get 100GB of data and a free gift for £30 at O2

Don't miss out on this amazing data deal! Choose a free gift including speakers, earbuds, or an action cam. Includes unlimited minutes and texts.
£30

£200
OFF

Enjoy £200 off the Samsung Galaxy S10 Plus from O2

Enjoy £200 off the Samsung Galaxy S10 Plus from O2

Grab the brand new Samsung Galaxy S10 on a data plan from O2 for a limited time.
£200 Off

£200
OFF

Take £200 off the Huawei P30 and get a FREE Huawei Watch GT

Take £200 off the Huawei P30 and get a FREE Huawei Watch GT

Looking for an upgrade? Now's your chance! Nab this Huawei P30 and take £200 off - plus get a Huawei smartwatch absolutely FREE! What could beat that?
£200 Off