- 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. If you have AT&T PREPAID
Follow these steps before you turn off your device.
- Go to AT&T PREPAID.
- 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.
Hint: If you want help finding your SIM card number, check out this SIM card image