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Swap an active eSIM or SIM card between devices

Find out how to move your number to another device with your eSIM or SIM card.

AT&T WirelessSM

Want to switch your eSIM to another device? You can transfer your eSIM if both are compatible. Before you start, make sure Wireless Account Lock is turned off.

Here’s how to switch your eSIMs:

  1. Connect both devices to Wi-Fi®.
  2. Go to Bring your own device.
  3. Choose Switch the device used on my line.
  4. Select Continue. Sign in, if asked.
  5. Follow the prompts to complete your transfer.

FYI: You’ll need to provide a one-time PIN to complete this transfer.

AT&T Prepaid®

Switching your eSIM with prepaid service between devices? Replacing your SIM card with an eSIM? Call Customer Care at 800.901.9878 from another phone.

Before you switch SIM cards

FYI: You’ll need a 5G SIM card for a 5G device to work on the 5G network.  

AT&T Wireless

  1. Turn off your device.
  2. Remove the old SIM card.
  3. Insert the new one.
  4. Turn on your device.

Want help inserting your SIM card? Go to our device tutorials and choose the option for your device.

AT&T Prepaid

You may be able to use your current SIM. Just insert it into your new device and turn it on.
If you have a replacement SIM card and need to update your prepaid account, call Customer Care at 800.901.9878 from another phone.

Data services don’t work after SIM swap

iPhone® doesn’t show AT&T in the status bar

Connect your device to iTunes®. Still not working?

DEVICE SUPPORT

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Experiencing SIM card issues?

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Last updated: October 22, 2025

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