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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.

Find out more >

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

Try our SIM Only or Family SIM plans and if you’re not happy within the first 30 days, we’ll give your money back.

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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

You will need to have ordered a BT Mobile plan online during a promotional period and waited 30 days. 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 60 days to arrive.
To keep track of your SIM usage, allowances and settings, just go to
Buy a BT Mobile SIM only or Family SIM plan during the offer period and you’ll get a full 30 days to try us. If you aren’t happy for any reason, just call us within 30 days of placing your order and we’ll cancel your contract and refund your first monthly plan charge. You’ll only pay for services you've used outside of the plan allowance. Offer limited to one SIM only or Family SIM plan per customer. This offer does not apply to handset plans or plan moves. See full offer terms.
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
When you place an order with BT Mobile you might need to go through the following checks
  • A credit check - this checks your credit worthiness and stops people fraudulently ordering things in your name. You might need to answer a few questions about your job history and bank account. The check will be recorded on your credit file.
  • An identity check - this is to protect you from identity theft and fraud. You'll need to answer a minimum of three questions about your personal finances which will be checked against your credit file.
  • A bank check - this is to make sure the details you've given match the details that Equifax have on file.
We don't see or file any of the information you provide. It's all checked by the credit reference agency. If you have any questions about your credit file you'll need to speak directly to Equifax.

For full details on the information we collect for these checks please see our Privacy Policy.

To find out more about credit checks and your credit history, please contact:
  • Equifax Credit File Advice Centre P.O. Box 1140
  • Bradford
  • BD1 5US
  • Tel: 0870 010 0583
  • Important Information