The AT&T Prepaid® eSIM Activation Kit has everything you need to activate your own device on the AT&T network. It uses a QR code to activate eSIM-capable devices. You can bring a new device or your own and keep your current number. It works with eSIM-capable phones and tablets. Check your phone’s User Guide to determine compatibility. For a list of eSIM-capable devices go to att.com/prepaidcheck. With AT&T Prepaid you get everything you want: Low-priced plans on a high-quality network unlimited data plans at a price you’ll love Mexico & Canada on select plans and more. Plus there’s no annual contract or credit check. And it’s so easy to activate your device.