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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 and unlocked device you already own.


INSTRUCTIONS & INFO

How to activate your device

If you’re upgrading your phone or transferring your number
You’re a few clicks away from completing your activation. Let’s get it activated

If you got a new phone number
You’re likely already activated. Turn on your device and make a test call. Can’t make a test call? Let’s get it activated

What to know about physical SIM and eSIM cards

Physical SIM cards
Be aware that:
  • We ship most new devices with the SIM card inserted in your device and activated.
  • Make sure to use the SIM card that came with your new device or order a new one. If you use another SIM card, you may not be able to use some features of your new phone.
If the SIM card’s not in your device, go ahead and insert it. Not sure how? Go to Device Support, and choose your device. Then in the Get started section, look for Insert SIM and follow the steps.

eSIM cards
Good to know: If you’re transferring a dual-SIM device to AT&T, an eSIM won’t transfer. Have an AT&T PREPAID plan? Contact us to activate your eSIM.

For AT&T Wireless, make sure the eSIM is on an active plan, then download it over Wi-Fi®.
  1. Go to your device settings.
  2. Tap one of the following (what you see depends on your device):
    • AT&T Cellular Plan Ready to be Installed, then Continue
    • Cellular, then Add Cellular Plan
Have a QR code printed on an AT&T eSIM card? Follow these steps

Next steps

Quick answer
FREQUENTLY ASKED QUESTIONS

Can I set up a device if I didn’t buy it from AT&T?

Can I activate an AT&T Certified Pre-Owned phone online?

Last updated: September 1, 2021

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