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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

Download an eSIM and activate your device

To complete activation of an eSIM for AT&T Wireless℠, make sure your device is on an active plan, then download the eSIM over Wi-Fi®.
  1. Turn your device on.
  2. Follow the prompts on your device. Want detailed steps for your device? Get eSIM download instructions
Good to know:

Activate your device with a physical SIM

Many devices use a physical SIM card that is already inserted in the device. If you use a different SIM, you might not be able to access our wireless network or use all our network features.

If your SIM isn’t already inserted, learn how to put it in.
  1. Go to Device Support.
  2. Choose your device.
  3. Scroll to Getting started and select Hardware & phone details.
  4. Choose Insert or remove SIM card and follow the steps.
Is this a device upgrade or number transfer? If so, you’ll have to activate your new SIM. Let's activate it now

Have a new phone and a new number? You’re likely already activated. Turn on your device and make a test call. If you can’t make a call, activate your device.
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?

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Community forums

Have questions about your Wireless service? Explore our community forums for answers.

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