O2 Promo Code & Discount Code December 2025

FAQs from O2

How much can I save with O2's Christmas Sale?

O2's Christmas Sale offers substantial savings, including up to £715 off the Samsung Galaxy S25 Ultra, up to £804 off Google Pixel 10 Pro, and up to £700 off the HONOR Magic V5. You'll also get valuable freebies like Galaxy Buds3 Pro worth £219 or a Pixel Watch 3 worth £399 with select purchases. The sale runs until 7 January 2026.

Can I get free delivery from O2?

Yes, O2 offers free delivery on all devices, SIMs and accessories. You'll get free next-day delivery on phones and tablets if you order before midnight Sunday-Thursday, and free 2-3 day delivery on smaller items. You can also use free click and collect from local O2 stores.

How does O2 Rewards work?

O2 Rewards gives you 5% back on top-ups for the first 6 months, then 10% thereafter. You can earn up to £150 every three months and spend rewards on extra credit, devices, shopping vouchers, or Ticketmaster tickets. Just remember to claim or save your rewards before the next quarter.

What student discounts does O2 offer?

Students can get 20% off airtime plans on O2 Refresh plans and 20% off selected accessories. You'll need to verify your student status through UNiDAYS, UNiDAYS GRADLiFE, or TOTUM to access these discounts.

Do NHS workers get special discounts at O2?

Yes, NHS staff can save up to 25% off airtime plans through the O2 Open programme when buying new phones or tablets. There's also an additional offer giving NHS customers an extra 50GB of data for two months.

What's included with the Priority app?

The Priority app is free for O2 customers and includes:

• Weekly free Greggs snacks
• 20% off Vue cinema snacks
• 48-hour early access to concert tickets
• Exclusive Monday offers
• VIP treatment at O2 venues

It's available to all O2 mobile and Virgin Media broadband customers aged 16+.

Can I save money by adding family members to my O2 plan?

Yes, O2's Multisave feature gives you 20% off airtime plans when you add family members to your existing tariff. You can apply this discount to up to 20 devices on your account.

What free services come with O2 Extras?

O2 Extras include 3-6 months free access to services with Classic and Plus plans:

• Disney+ Standard
• Amazon Prime, Amazon Music, or Audible
• TNT Sports

Ultimate plan customers get lifetime access to Disney+ Premium, Amazon Prime, and Cafeyn magazines.

How much can I earn from referring friends to O2?

Both you and your friend receive £25 Amazon vouchers when they buy an eligible phone, tablet, or mobile broadband with an O2 Refresh tariff. There's no limit on the number of friends you can refer, so you can earn multiple vouchers.

Are there savings on refurbished phones at O2?

Yes, O2's Like New range offers refurbished devices with up to 3-month warranties and full servicing checks. You can get an extra £70 off select refurbished phones by downloading the O2 app, and current deals include iPhone 16 Pro and iPhone 14 Pro models.

What are the opening hours for O2’s phone lines?

O2 customer service phone lines are open Monday to Friday from 8 am to 9 pm, Saturday from 8 am to 8 pm and Sunday from 8 am to 6 pm. You can call the team at 202 from your O2 mobile or 0344 809 0202 from any other phone.

Smart Ways to Save at O2

From Christmas Sale discounts to loyalty rewards and professional discounts, O2 offers multiple ways to reduce your mobile costs. Whether you're after the latest smartphone or a budget-friendly SIM-only deal, these tips will help you get the best value.

How Do I Use an O2 Discount Code?

1. Browse O2's current offers and select your device or plan
2. Add your chosen items to basket and proceed to checkout
3. Look for the 'Promo code' or 'Discount code' field during checkout
4. Enter your valid code and click 'Apply' to see the discount
5. Complete your purchase with the reduced price

Christmas Sale: Save Up to £715 on Top Devices

O2's Christmas Sale runs until 7 January 2026 and includes some of their biggest discounts of the year. The standout deals include:

• Save up to £715 on Samsung Galaxy S25 Ultra 512GB with selected plans, plus claim free Galaxy Buds3 Pro worth £219
• Save up to £804 on Google Pixel 10 Pro 128GB with selected tariffs, plus get a free Pixel Watch 3 45mm worth £399
• Save up to £700 on HONOR Magic V5 with selected tariffs
• Save up to £360 on iPhone 16e on selected variants
• Samsung Galaxy Tab S11 5G at lowest ever monthly cost of just £29.35 per month

For pre-Christmas delivery, order by 19 December for Highlands and Islands or 23 December for mainland UK.

O2 Rewards: Get Up to 10% Back Every Quarter

O2 Rewards gives you money back on your top-ups, which you can spend on extra credit, devices, shopping vouchers, or Ticketmaster tickets. Here's how it works:

• 5% back for the first 6 months, then 10% thereafter
• Maximum reward of £150 every three months
• Redeem through the Priority app or save for later
• Use rewards for phones, accessories, or shopping vouchers

Remember to claim or save your rewards before the next quarter, or you'll lose them.

Professional Discounts: Up to 25% Off for Key Workers

NHS Workers Save Up to 25%

NHS staff can access substantial savings through the O2 Open programme:

• Up to 25% off airtime plans on O2 Refresh when buying new devices
• Extra 50GB data for two months as an additional offer
• Apply through O2 Open with NHS verification

Student Discounts: 20% Off Plans and Accessories

Students can save significantly with verification through UNiDAYS, UNiDAYS GRADLiFE, or TOTUM:

• 20% off airtime plans on O2 Refresh plans
• 20% off selected accessories
• Verification required through approved student platforms

Teachers and Military Personnel

• Teachers: Up to 25% off airtime plans with 3GB or more through O2 Open
• Military: Up to 25% off plans with 3GB+ (15% off smaller plans) via Defence Discount Service

Save 20% on Family Plans with O2 Multisave

O2's Multisave feature helps families reduce their monthly bills:

• 20% off airtime plans when adding family members to existing tariffs
• Apply to up to 20 devices on your account
• Double data when bundling with Virgin Media broadband at the same address

Free Delivery and Premium Options

O2 offers comprehensive delivery options to suit different needs:

Free Standard Delivery

• Free next-day delivery on phones and tablets when ordered before midnight Sunday-Thursday (mainland UK)
• Free 2-3 day delivery for accessories and SIMs under £40
• Free click and collect from local O2 stores with same-day availability

Premium Delivery Services

For added convenience, O2 offers timed delivery slots:

• Morning delivery (before 10:30am): £6.99 for mainland UK
• Saturday delivery: £6.99-£8.99 depending on time slot
• Sunday delivery: £6.99 to non-remote locations

O2 Extras: Free Streaming and Services

O2 Extras add value to your mobile plan with free access to popular services:

Classic and Plus Plans

• 3-6 months free Disney+ Standard for streaming movies and shows
• 3-6 months free Amazon services (Prime, Music, or Audible)
• 3-6 months free TNT Sports for live sports coverage

Ultimate Plans

• Lifetime Disney+ Premium for the duration of your contract
• Lifetime Amazon Prime included
• Lifetime Cafeyn magazine access

Clearance and Refurbished Device Savings

O2's clearance section and Like New range offer quality devices at reduced prices:

• Up to 50% off clearance phones, tablets and accessories
• Extra £70 off refurbished phones when using the O2 app
• Up to 3-month warranty on Like New devices
• Full servicing checks ensure top performance

Current refurbished deals include iPhone 16 Pro and iPhone 14 Pro with Christmas Sale pricing.

Priority App: Weekly Freebies and Exclusive Access

The Priority app is free for all O2 mobile and Virgin Media broadband customers and includes:

• Free weekly Greggs snacks every week
• 20% off Vue cinema snacks and discounted tickets
• 48-hour early access to concert and event tickets
• Blue Monday exclusive offers every Monday
• VIP treatment at O2 venues

Refer a Friend: £25 Amazon Vouchers

O2's referral programme rewards both you and your friends:

• £25 Amazon voucher each when your friend buys an eligible device
• No limit on referrals - refer as many friends as you like
• Friend must purchase phone, tablet, or mobile broadband with O2 Refresh tariff
• Vouchers issued after friend signs up and remains in good standing

Contact O2 Customer Service

Need help with your order or account? O2 offers multiple contact options:

Pay Monthly Customers

• From O2 mobile: 202 (free)
• From landline: 0344 809 0202 (standard UK rate)
• Hours: Monday-Friday 8am-9pm, Saturday 8am-8pm, Sunday 8am-6pm

Pay As You Go Customers

• From O2 mobile: 4445 (free)
• From landline: 0344 809 0222 (standard UK rate)
• Same opening hours as Pay Monthly

Sales and Business

• Consumer sales: 0800 081 0255 (free from any phone)
• Business sales: 0800 028 0202 (less than 10 phones)
• Business sales: 0800 298 8848 (more than 10 phones)