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Showing offers between £10 and £20

Reasons to join BT Mobile

Get £5 off a month with BT broadband

  • The hottest

    4G phones

    Pick one of our top-of-the-range phones – all at tempting prices
  • Save money

    with Family SIMs

    Because the more SIMs you get, the more you save
  • Fast 4G

    and free wi-fi

    Get online with high-speed 4G and unlimited free BT Wi-fi
  • BT Sport

    on your phone

    Set a monthly spend cap, and use the BT Mobile app to monitor your usage
  • BT Sport

    on your mobile phone

    Watch the Champions League live with the BT Sport app*
  • *The BT Sport app is free. The full BT Sport Pack starts at £xx /mth

Unlimited access to BT Wi-fi hotspots

Unlimited access on the UK’s largest wi-fi network

Use more than 5 million BT Wi-fi hotspots

Use BT Wi-fi so you don’t eat up your data allowance

Use the BT Wi-fi app to connect when there’s a hotspot in range

Why switch to us?

Fast 4G

Enjoy fast 4G in more places than O2, Vodafone and Three.

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Unlimited free wi-fi

Get free unlimited internet access at any of our five million wi-fi hotspots.

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Free delivery

Delivered the next working day when you order by 4pm Mon-Fri, 11am Saturday*

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Worry Free Returns

Problem with your phone? Tell us within 14 days of receiving it and you can return it.

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Roam like Home

Use your UK calls, texts and data abroad in 47 destinations at no extra cost.

Find out more >

Frequently asked questions

Family SIMs could be the perfect solution for you and your family. The more SIMs you add to your account, the more you save. Everytime you add a SIM, you get a bigger monthly discount.

You can choose to add family members or friends to your plan or get the benefit yourself by adding SIMs you might have for different devices.

You can add up to five Family SIMs to your account. You become the main account holder and are responsible for all charges.

Family SIMs have more flexible contract terms than standalone SIMs. When you add a Family SIM to an existing SIM Only plan, a new 12 month minimum term begins. All SIMs will have a 30-day rolling contract. If the plan ends up with just one SIM left, that will pick up what's left of the 12 month minimum term
It's easy, just order your SIMs from and opt for 2 or more SIMs, you have the choice of the 2GB, 6GB or 15GB plan.

If you know someone who already has a BT Mobile SIM, you can invite them to move to your Family SIM once you have set up your plan. Find out how to invite someone.

The overall cost depends on how many SIMs you have in the plan. The cost for each one gets lower the more you add. So the first SIM is the same rental price as a single SIM only plan, the second has a lower rental price, the third lower still and so on. Offers may vary.
You will need to have ordered a BT Mobile plan online during a promotional period and waited for the two week cooling off period to end. If you ordered a SIMO plan you will also need to have activated your sim card. You can claim your gift card at by filling in the form.

Once we have confirmed your claim your card will be dispatched. This could take up to 45 days to arrive.
To keep track of your SIM usage, allowances and settings, just go to
If you're a BT Mobile SIM Only customer you'll get a £50 discount code in your e-mail confirmation. Go to select your phone and enter the code when asked. You’ll find the code in your e-mail order confirmation

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