Choose a Three Bill Pay or Prepay plan and an eSIM-compatible phone. Existing customers can switch from a physical SIM to an eSIM by ordering a replacement online, calling us or visiting a store.

An eSIM is a built-in virtual SIM in your device, activated by scanning a QR code and entering a confirmation code from an email we send. It functions like a regular SIM but offers added benefits. We've written this helpful blog post so you can learn more about eSIM.

Wondering if your device supports eSIM? Take a look at our community support page. And when you're buying a compatible device, you'll see the option to choose eSIM too!

With dual SIM phones, you can use a physical SIM and an eSIM. Enjoy:
• Two numbers and plans on one device.
• Plans from two networks (requires an unlocked phone).
• Add a local data plan while traveling abroad (unlocked phones).
For activating dual SIM, check your device maker's site as steps vary.

On iPhone
1. Turn on Wi-Fi
2. Open Device Settings
3. Select Setup Mobile Service
4. Select Use QR Code
5. Scan the QR code that we emailed you
6. Select which services to use with your eSIM

On Android
1. Turn on Wi-Fi
2. Open Device Settings
3. Select Connections
4. Select SIM Card Manager
5. Select Add Mobile Plan
6. Select Scan Carrier QR code
7. Select which services to use with your eSIM

To get your cellular Apple Watch connected, you'll need a Smartwatch Share plan from Three. This allows your watch to use the Three network to make calls, send texts, and use data, even when your iPhone isn't nearby.
To get full information on connecting your Apple Watch please visit here.