Mobile phone and a BT SIM

Get £5 off BT Mobile every month

If you've got broadband with us, you'll get an exclusive £5 monthly discount on your mobile plan.

A girl child looking at her phone

Double mobile data with BT Halo

BT Halo customers automatically get their data doubled on SIM and mobile phone plans, even on our limited offer and sale deals.

Sportspersons celebrating their victory

BT Sport included on your phone

If you're a BT Mobile customer on an eligible plan, you'll get BT Sport to watch on your smartphone.

A young woman looking at her phone

How to switch

Moving your mobile account over to us is easy – and you can keep your number.

Young couple looking at their phone

Free wi-fi at BT Wi-fi hotspots

With BT Mobile you get unlimited free wi-fi at 5 million BT Wi-fi hotspots, so you can save your precious data.

A grandmother with her granddaughter

Best mobile for families

You'll get a discount on additional SIMs for anyone living at home, and they'll all appear on one bill which keeps things simple.

Already got mobile with us?

Upgrade your plan

Get more from your mobile: upgrade your plan, add a handset or add extra SIMs with Family SIM.

Do more with mobile extras

Manage your account and buy add-ons for data, speed and more.

Get help with mobile

How to get set up, check service status, fix common issues and more.

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%.