Activate and use your device Learn how to get your device running on our network. It can be one you bought from us or a compatible, unlocked device you already own.
Learn how to activate your AT&T prepaid phone with this guide for new devices, eSIM cards, and SIM cards. Need help? Get in touch with our customer care team.
In this article you’ll learn how to activate your prepaid cellphone, how to connect your device to the AT&T network, and how to transfer your contacts and info so you can hit the ground running with your new device.
The first step is to make sure your device is eligible to work on the AT&T network. If your device is locked, you’ll also have to contact the manufacturer or your current carrier to get it unlocked before you can activate it with AT&T.
