SIM Only just £8 a month

Treat yourself to 4GB of data for just £8 a month on our 12 month SIM Only plan.

Price includes your £5 off a month for having BT broadband. Offer ends 24 February.

Save on extra SIMs with Family SIM

Need multiple SIMs in your household? Pay for up to 5 SIMs from one account, and get at least 20% off every extra SIM you add, compared to a SIM by itself.

Right now, grab two 4GB SIMs from £14. Offer ends 24 February.


Get exclusive deals on selected Apple and Samsung phones - available via BT only. Plus get 10% off more phones if you have BT broadband.

See all deals

Why BT Mobile?

Already a BT customer?

We'll give you a £5 discount on your mobile, every month. Plus BT Halo customers get double data.

Customer service experts

Our team are all based in the UK and Ireland – and will handle your switch-over from start to finish.

A great connection

Our network covers 99% of the UK. Plus, get online for free with over 5 million wi-fi hotspots nationwide.

Money-back guarantee

Try a SIM Only or Family SIM plan and if you're not happy within the first 30 days, you'll get your money back.

Coverage checker

Use our coverage checker to search for a place or postcode and find out the signal strength in your area.

Get mobile accessories at BT Shop

Fancy upping your listening game with Apple AirPods?
BT Shop is packed with all the mobile accessories you could ever need.

Important information

The legal stuff

Δ If you sign up to a new contract or renew your contract for a Landline (including call charges, features, add-ons and plans), BT Mobile (including monthly add-ons, call, text and data charges), the monthly price will increase each year from March 2021. Other Landline (calling plans only), BT Mobile (plans only), BT broadband, BT TV or BT Sport (including TV and Sport add-ons) the monthly price will increase each year from March 2022. These increases are based on the Consumer Price Index rate of inflation which is published in January each year plus 3.9%.