What’s an eSIM?

  • An eSIM is a digital SIM built into a smartphone, tablet or smartwatch
  • They allow you to activate a mobile data plan without a physical SIM
  • eSIMs work like traditional SIMs for calls and data
  • They help you have more than one number and network on a single device

The benefits of eSIM technology

Getting started is faster

There’s no need to wait for a SIM card to arrive in the post, and eSIMs make setting up your new phone a breeze. Win-win.

Dual SIM functionality

With room for a physical SIM card, you can have 2 numbers on 1 phone. Perfect for business and travel use.

eSIMs are greener

No physical SIM card means no plastic. Plus, there’s no need for postage or packaging because nothing’s getting delivered.

eSIM quick transfer

eSIM Quick Transfer makes bringing your number to a new phone easier than ever. And that’s whether you already have an eSIM or not.

How do eSIMs work?

eSIMs connects to your mobile network without relying on a physical SIM card - simply scan a QR code to activate it and get started. They work like a traditional SIM for calls and internet, but also let you use multiple numbers and switch between providers.

Does your device support an eSIM?

Choose your manufacturer below, then select your device and check the SIM type under Specifications. You can head to our head to our device support page for more brands.

How to get an eSIM

You can get an eSIM by taking on one of our Three Your Way plans and choosing an eSIM compatible phone, tablet, smartwatch or SIM Only plan.

Explore our range of deals by product type below and get connected with your eSIM today.

eSIM support

Need a little more information? Take a look at our eSIM support page and find all the information you need on eSIMs and eSIM technology.

Why choose Three?

Based on analysis by Ookla® of Speedtest Intelligence® data for Q1-Q2 2024. Ookla trademarks used under license and reprinted with permission.

Frequently asked questions

To enjoy the benefits of eSIM, simply choose one of our Three Your Way plans and select an eSIM compatible handset, tablet, or SIM Only plan. Once you’ve chosen your device and deal, you’ll be able to select eSIM as your SIM type.

For existing customers, eSIM will be rolled out across our other plans later this year, giving you the opportunity to upgrade to an eSIM.

The main advantage of an eSIM is the quick and easy set-up process. Say goodbye to waiting for a SIM to arrive in the post – with eSIM, you can activate your new SIM straight away. The flexibility of eSIMs also makes it easier for you to switch providers. What’s more, they require no plastic or packaging, meaning they help to reduce emissions and save resources. 

If your phone is dual SIM compatible, you can have an eSIM and a physical SIM card. This allows you to enjoy the added benefit of having two numbers on the same device that you can easily switch between.

Yes, all of our SIMs, including eSIMs, get access to our 5G network as long as your phone is 5G compatible.

You can easily find out if your phone is eSIM compatible by visiting our device support page. Select your manufacturer, choose your specific phone model and review the specifications to see if it supports eSIM. 

With Three, you can switch from a physical SIM to an eSIM if you are on one of our Three Your Way plans. You can check if you are on one of these plans by checking your My3 account. To swap your SIM, you’ll need to call our contact centre or visit one of our stores

To activate an eSIM, simply scan the QR code and enter the confirmation code that we send to you via email. Check out our eSIM support page to find out more details on how to activate an eSIM on your device. 

eSIM Quick Transfer lets you bring a number to a new phone faster and easier than ever.

It doesn’t matter whether you already have an eSIM or not – you can transfer a number from a physical SIM card to a new phone, or from an existing eSIM to a new device. 

eSIM Quick Transfer is only available for iPhone customers right now, but this technology could become available for Android users in the future.