Settings 94SIM card lockSet up SIM card lockAs a security measure, you can choose to require a PIN foraccessing the SIM card to use your device.1. From the Home screen, touch Apps ➔Settings ➔ Security.2. Touch Set up SIM card lock for these settings:• Lock SIM card: Enable to require a PIN be entered for accessto the SIM card, then set the PIN.• Change SIM PIN: Enter a new PIN for accessing the SIM card.PasswordsMake passwords visibleWhen enabled, password characters will display briefly asyou enter them.1. From the Home screen, touch Apps ➔Settings ➔ Security.2. Touch Make passwords visible to enable or disable briefdisplays of password characters.Device administrationDevice administratorsAdd or remove device administrators, used by someapplications when synchronizing with your device.1. From the Home screen, touch Apps ➔Settings ➔ Security.2. Touch Device administrators to select administrators.Available administrators depend on the accounts youhave set up.Unknown sourcesWhen enabled, apps can be installed from sources other thanGoogle Play.1. From the Home screen, touch Apps ➔Settings ➔ Security.2. Touch Unknown sources to enable or disable thesetting.
