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How to start your free eSIM Trial?

  • Step 1
    Redeem your eSIM online

    Check if your device is compatible, submit your order, and get your free eSIM.

  • Step 2
    Receive your QR code via email

    You’ll receive a QR code straight to your inbox – just scan to activate.

  • Step 3
    Enjoy Free 5G Data for up to 30 days

    Get connected to The UK’s Fastest 5G Network in minutes and 5GB of free data for up to 30 days.
Get started

What is an eSIM?

An eSIM (embedded SIM) is a built-in digital SIM that works like a traditional SIM card but is embedded inside your phone. It lets you make calls, send texts, and use data — without the need for a physical card. Switching between networks during the trial is easy; simply scan your QR code to activate your plan instantly, without waiting for a new SIM.

Benefits of joining our trial

  • Experience superfast speeds on the UK’s Fastest 5G* Network.

  • Trial the Three Business network for free - no hidden costs or contracts.

  • Test drive our network alongside your existing provider to experience the difference.

  • Activate your eSIM within minutes – no physical SIM required.

Switch to Three Business anytime and unlock great savings

Switch to Three Business anytime and join over a million business customers who trust our network. Enjoy great savings, flexible plans, and a reliable network built to keep your business connected.

Why choose Three Business?

FAQs

We’ve made it straightforward - once you’ve completed your trial eSIM order you’ll get an email containing the QR code which you can use to automatically download your eSIM to your device.

You’ll have plenty of time to test our network - your 5G of data will be active on the eSIM for 30-days, after which the eSIM will be automatically deactivated.

Great news, it’s quick and easy to switch to us. Just reach out to our sales team on 0808 304 8518 and they’ll be able to guide you through the switching process and how to keep your current number.

We’re pretty confident that things won’t go wrong, but if you do need to get through to us we’ve a dedicated team setup to support you. Just raise a ticket here and we’ll get in touch.

As we’re offering this trial exclusively it’s just 1x eSIM per business, however if you do have wider requirements please get in touch with our sales team on 0808 304 8518.

*Fastest 5G based on analysis by Ookla® of Speedtest Intelligence® data for H2 2024. Ookla trademarks used under license and reprinted with permission.