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It's easy to upgrade your BT handset, SIM or Family SIM plan

Upgrade your mobile phone

If you're ready for a new handset, take a look at our great range of phone upgrade deals. Choose iPhone, Samsung, Sony, HUAWEI and more, all on 24‑month contracts.

Switch up your SIM plan

Changing data on your SIM plan is easy, just log into My BT to see the deals we’ve got for you.

Our flexible Family SIMs

Upgrade your Family SIM bundle and enjoy an extra discount on our single SIM prices. Just log in with your email to get started.

Want to change your SIM plan?

Whether you've got a SIM Only or Family SIM plan, BT Mobile gives you loads of flexibility.

I've got a SIM Only plan

You can:

  • Move your plan up at any time
  • Move down to the plan below once within your 12-month contract
  • Switch to a handset plan at no charge when you sign up to a new 24-month contract

I've got a Family SIM plan

If you change plan, it will apply to all your Family SIMs. You can:

  • Move your plan up at any time
  • Move down to the plan below once within your 12-month contract
  • Add or remove additional SIMs, as they're on rolling 30-day contracts

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%.