- Turn your device off.
- Remove the old SIM card.
- Insert the new one.
- Turn your device on.
Want help inserting your SIM card? Go to our device tutorials
and choose the option for your device.
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