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    Phones

    • Phones
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    • Apple iPhone
    • iPhone 16
    • Android phones
    • Refurbished phones

    Tablets, laptops and dongles

    • Tablets
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    SIMs and Tariffs

    • Pay Monthly SIMs
    • Pay As You Go SIMs
    • Tariffs
    • International
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    Accessories and more

    • Tech and accessories
    • Apple Watch
    • Smartwatches
    • AirPods
    • Great deals
    • Summer Sale

    O2 for you

    • Flexible tariffs
    • Upgrade with O2 Switch Up
    • Fair Deal for O2 customers
    • Peace of mind with O2 Insure
    • Tech news and inspiration

    Saving you money

    • Data rollover
    • Sell with O2 Recycle
    • Auto-save plans
    • Multisave discounts
    • Virgin Media and O2 benefits

    Perks and rewards

    • Priority Tickets and offers
    • Pick your O2 Extras
    • Collect Airtime Rewards
    • Perks at O2 venues
    • Pay As You Go Rewards

    Stay connected

    • Travel with EU roaming
    • Check your coverage
    • Our cutting-edge network
    • 5G is here
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    • Live bigger with Volt

      Discover extra benefits
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      See all the reasons to choose O2

      Why join O2?

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We've started switching off our 3G network to focus on faster, more reliable 4G and 5G. Are you ready?

International and network

Help and support

International and network

Check your coverage, learn more about our network, and find out about calling abroad or using your phone overseas

Using your phone abroad

Use your data (up to 25GB), minutes and texts at no extra cost in our Europe Zone. If you’re going further afield, we’ve made it easier than ever to stay in touch with our O2 Travel Bolt On.

Find out more

International calling

Find out about calling international numbers from the UK

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Learn about our network tech, check your coverage and find out about any issues in your area

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Find out more about O2 WiFi, personal hotspots, staying connected on the London Underground and more

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