•Require pattern: Set the phone to require that the unlock pattern be used each time you turn the phone on. By doing this, you can prevent unauthorized people from unlocking the phone.
•Use visible pattern: Set the unlock pattern to be visible or invisible as you draw it.
•Use tactile feedback: Set the phone to vibrate when you touch and draw the unlock pattern.
•Set up SIM card lock:
•Lock SIM card: Activate or deactivate the PIN lock feature, which requires that the PIN be entered before the phone is used.
•Change SIM PIN: Change the PIN used to access SIM data.
•Mobile tracker: Activate or deactivate the mobile tracker feature which helps you to locate your phone when it is lost or stolen. For more information, refer to “Activate the mobile tracker” on page 33.
•Set Mobile tracker: When you activate the mobile tracker, you can customise the following settings:
Note: The setting options might differ depending on your region or service provider.
•Set recipient: Set up recipients to receive a tracking message from your lost phone.
•Samsung account: Set up your Samsung web account to control your lost phone remotely.
•Change password: Change your mobile tracker password.
•Help: Access help information for the mobile tracker feature.
•Visible passwords: By default, the phone displays your password as 
for security. You can set the phone to display your password as it is entered.
•Use secure credentials: Use certificates and credentials to ensure secure use of various applications.
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