Get to know eSIM
Learn about eSIMs, and how they work with AT&T.
What is an eSIM?
An eSIM is a digital SIM that connects your devices to the AT&T network. It gives you more flexibility to manage your wireless plan and device.
- You download an eSIM and activate it—there’s no need for a physical SIM card.
- Some devices with eSIM capabilities can support more than one phone number.
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How to activate your eSIM device
Transfer your phone number to AT&T
Learn how to transfer your existing phone number from another carrier to AT&T.
Bring your own eSIM device to AT&T.
Already have a device you love? Bring it.
- Start at Bring your own device.
- Select Add a line or switch to AT&T.
- Follow the steps to choose a plan and download your eSIM. You can transfer your existing number to your new line during checkout.
Transfer your eSIM between AT&T devices
To move your eSIM (and phone number) from one AT&T eSIM device to another:
- Start at Bring Your Own Device.
- Select Bring a new device to an existing line.
- Follow the prompts to move your eSIM and phone number to a different device
Activate your eSIM device on AT&T Prepaid
Get flexible plan options when you activate your eSIM with AT&T Prepaid®.