Benefits of Data Only SIM plans
Increase or decrease your data each month
Upgrade to a handset or tablet plan at any time
Access to 5 million BT Wi-fi hotspots
Roam Like Home in 47 countries
30-day money-back guarantee
Why you'll love BT Mobile
Roam Like Home
Already got mobile with us?
Upgrade your plan
Do more with mobile extras
Get help with mobile
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%.