How to Use a SIM-Locked AT&T Phone
- 1). Go to the myWireless account login page.
- 2). Enter your 10-digit AT&T wireless phone number and password and click on the "Login" button.
- 3). Click on the "My Services" option under the "My Account" subsection.
- 4). Select the "My Phone / Device" option.
- 5). Click on "Unblock SIM card." The website will display your PUK code.
- 6). Turn on your SIM-locked AT&T phone. The phone will prompt you to enter the PUK code.
- 7). Enter the PUK code, using the keypad, on your cellular phone. After successfully entering the PUK code, you will see a confirmation message displayed on your phone. You can now use your phone to make and receive calls on the AT&T Wireless network.