Samsung SM-G730A User Manual At&t Wireless Sm-g730a Galaxy S3 Mini Jb Engl - Page 134

Set up SIM card lock Prevent another user from using your SIM card to make unauthorized calls or from accessing information stored on your SIM card by protecting the information using a PIN code. When enabled, your phone will ask for a PIN number each time you use the phone. Using this option you can also change your SIM PIN number. 1. From the Home screen, tap ➔ Settings ➔ More ➔ Security. 2. Tap Set up SIM card lock. 3. Tap Lock SIM card, enter your SIM PIN code, then tap OK. Note: You must activate Lock SIM card before you can change your SIM PIN code. 4. Tap Change SIM PIN. 5. Enter your old SIM PIN code and tap OK. 6. Enter your new SIM PIN code and tap OK. 7. Re-type your new SIM PIN code and tap OK. Forgotten SIM PIN password If you enter the wrong SIM PIN more than 3 times, you will need to contact your AT&T Customer Service Representative to get the PUK code for your device. 1. Each time you enter a wrong SIM PIN number the phone will display how many attempts you have remaining. 2. After the third incorrect attempt, the Type PUK and new PIN code screen displays and your SIM card is locked. 3. Enter the new PUK code that you received from your AT&T Customer Service Representative in the PUK code field. 4. Enter a new PIN code in the Enter a new PIN field and tap OK. 5. Enter the new PIN code again in the Confirm your new PIN field and tap OK. Note: While your SIM PIN is locked, you will still be able to make Emergency calls if necessary. 127