Truly Unlimited data

No speed limits. No data caps. Just endless streaming, browsing, and sharing in the UK with our Unlimited data plans.

''

Life’s better without limits. That’s why we offer truly unlimited data in the UK. Unlike other networks, we don’t cap your speeds, and there’s no fair usage policy. So, you can get stuck into 5G on the UK’s Fastest 5G Network with a phone, tablet, broadband or SIM plan on Three.

Unlimited data SIM Only deals

Our Unlimited data SIM deals give you All the data you’ll ever need and all the benefits of being with Three. It’s easy to keep your current number.

  • 6 months half price - £23 from month 7
    Unlimited
    data

    £11.50 a month

    * Was £23.00

    24 month Advanced plan
    Unlimited minutes
    Unlimited texts

    6 months half price - £23 from month 7
    Unlimited
    data

    £23.00 a month

    * Was £23.00

    12 month Advanced plan
    Unlimited minutes
    Unlimited texts

    6 months half price - £23 from month 7
    Unlimited
    data

    £28.00 a month

    * Was £23.00

    1 month Advanced plan
    Unlimited minutes
    Unlimited texts

  • With Personal Hotspot, you can use your phone’s data allowance to connect up your other devices. Pretty handy for when you’re nowhere near a Wi-Fi connection. On our Essential Plans, you can’t use your inclusive data allowance to create a personal hotspot.

    With our Advanced plans, you can unlock your UK allowances for 24 hours in Go Roam destinations. It’s £2 in Go Roam in Europe, and £5 in Go Roam Around the World destinations. Republic of Ireland and Isle of Man are excluded from the daily roaming charge. Our Fair Use Policies apply.

    With Personal Hotspot, you can use your existing data allowance to connect other devices to your phone and get online. Pretty handy when there's no Wi-Fi.

    The 5G revolution is upon us. And from launch, all new and existing customers with a 5G Ready device can join the party. Whether you are on a contract, SIM only or PAYG.

    Got a 5G Ready handset now? Sweet. All our SIMs are 5G ready at no extra cost. Obvs. And as soon as 5G comes round your way, you’ll be able to frolic in 5G wonder.

    You’ll be able to upgrade your data plan whenever you need. To enjoy 5G at full pelt, with uncapped speeds, choose an Unlimited data plan - so you never run out of data juice.

    With a business plan on Three, you get up to £500 worth of benefits from our partners to support your business. From creating stationery with Moo, to nailing the accounts with a 6-month FreshBooks subscription - we’ve got you covered, whatever your business needs.

    Our Business plans let you use Go Roam Around the World in 71 destinations, at no extra cost. You can also use your phone as a Personal Hotspot, and call free from your mobile to Customer Services.

    Use our Advanced plans in 71 destinations around the world, for a low daily charge of £2 for Go Roam in Europe and £5 for Go Roam Around the World.

    With our Essential plans you’ll save some money on your contract but miss out on features such as Go Roam Around the World and Personal Hotspot allowance, although you’ll still be able to use Go Roam in Europe. For limits and further information - see Three.co.uk/go-roam.

    Comes with Adapt 25, and Adapt 50.


    Unlimited minutes, texts, and data, across your team.

    So you won’t be stuck overspending, worrying about data limits or second guessing how much you’re using.


    Award-winning business support.

    Whatever you need, our experts are here.

    • Award-winning, dedicated business support from our Business Service Team.
    • Get in touch for technical help, and all your account queries.
    • Call direct, or chat to the team online.

    Three Analyst Standard.

    Your online analytics tool, with 24 hour access to your mobile usage and spend.

    • Accessible insights on your Three Business spending and usage, anytime, anywhere.
    • High level data exports. Download, file, and keep track of your costs.
    • Easily digestible, accessible bill summaries, and personalised reports to your inbox.

    Upgrade to the Complete service plan any time. You can get Three Analyst Standard as an Add-on to any Three Business account.

    Comes with Adapt 75, Adapt 100, and Adapt 250.


    Unlimited minutes, texts, and data, across your team.

    So you won’t be stuck overspending, worrying about data limits or second guessing how much you’re using.


    The only business plan of its kind with a dedicated Customer Success Manager.

    Your person to contact, whatever you need.

    • A business-dedicated, single point of contact for all your account queries.
    • Owning your enquiries, leaving you to focus on work.
    • Regular account reviews on what you need, and how we can help.

    Three Analyst Advanced.

    Your online analytics tool, with 24 hour access to the mobile usage and spend of your whole team.

    • User-level analytics on the usage of your entire team. The insight to make better decisions.
    • Bespoke or favourite reports on your usage and spend, straight to your inbox.
    • Unlimited export of data. Download all the details, and stay in control of your account.

    You can get a Customer Success Manager, and Three Analyst Advanced, as Add-ons to any Three Business account.

Included in every unlimited phone and SIM Only plan

Exclusive offers from brands you love with our Three+ rewards app.

Unlimited data, minutes and texts. No data caps or fair usage policy.

All our SIMs are 5G Ready at no extra cost.


Use your phone as a personal hotspot and share your unlimited data with other devices.

Unlimited data phone deals

Choose one of the latest phones and enjoy Unlimited data with our Pay Monthly deals.

''

Unlimited Broadband

For all the data you’ll ever need, at home or on the go. Take a look at our best Home Broadband and Mobile Broadband deals.

See broadband deals

See also:
Unlimited tablet plans
Unlimited data-only SIMs

What is 5G?
And why do you need it?

For watching the game without buffering. Super-smooth video calling around the world. And near-instant downloads. Plus, all our SIMs are 5G Ready at no extra cost.

Frequently asked questions

Is there any limit on unlimited data?
Can I use unlimited data abroad?
How much is unlimited data?
Do I need an unlimited data plan?
Can I use my unlimited data for tethering to other devices?
Is unlimited data suitable for watching Netflix?
What does unlimited data mean?
How do I get unlimited data?
Can you get unlimited data on a dongle?
Does unlimited data mean unlimited personal hotspot?