Set Up SIM Card LockTo prevent another person from using your SIM card to makeunauthorized calls or from accessing information stored onyour SIM card, you can protect the information by using aPIN code.When enabled, your tablet asks for a PIN number each timeyou use the tablet. Using this option you can also changeyour SIM PIN number.1. From the Settings screen, touch Security ➔ Set upSIM card lock.2. Touch Lock SIM card, enter your SIM PIN code, thentouch OK.Note: You must activate Lock SIM card before you canchange your SIM PIN code.To change your SIM PIN code:1. Touch Change SIM PIN.2. Enter your old SIM PIN code and touch OK.3. Enter your new SIM PIN code and touch OK.4. Re-type your new SIM PIN code and touch OK.Forgotten SIM PIN PasswordIf you enter the wrong SIM PIN more than 3 times, you mustcontact your AT&T Customer Service Representative to getthe PUK code for your device.1. Each time you enter a wrong SIM PIN number the tabletdisplays how many attempts you have remaining.2. After the third incorrect attempt, SIM is now disabled,Enter PUK code to continue. Contact carrier fordetails displays and your SIM card is locked.3. When you receive the new PUK code from yourAT&T Customer Service Representative, enter it inthe PUK code field.4. Enter a new PIN code in the Enter a new PIN field andtouch OK.5. Enter the new PIN code again in the Confirm your newPIN field and touch OK.Note: While your SIM PIN is locked, you can still makeEmergency calls, if necessary.Settings 131
