AT&T WirelessSM SIM Card
- Turn your device off.
- Remove the old SIM card.
- Insert the new one.
- Turn on your device.
Want help inserting your SIM card? Go to our device tutorials
and choose the option for your device.
AT&T Wireless eSIM
Switching your eSIM between iPhones? You can transfer your eSIM when your phones are:
- Side by side
- Signed in to you iCloud account
- Connected to the same Wi-FI® network
AT&T PREPAIDSM SIM card
Follow these steps before you turn off your device.
- Go to att.com/myprepaid.
- Select My Device and then Update Device. Don't know your IMEI for this step? Enter *#06# on your phone's keypad to get it.
- Enter the SIM card number and then select Continue.
Can't find your SIM card number? Review this SIM card image