104 Lock Screen and SecuritySettingsUnknown SourcesEnable installation of non-Google Play applications.1. From a Home screen, tap Apps >Settings > PERSONAL.2. Tap Lock screen and security >Unknown sources to enable this option.Warning: Enabling installation of third-partyapplications can cause your device and personal datato be more vulnerable to attacks by unknown sources.Other Security SettingsEncrypt Your DataRequire a numeric PIN or password to decrypt yourdevice each time you power it on.1. From a Home screen, tap Apps >Settings > PERSONAL.2. Tap Lock screen and security > Other securitysettings > Encrypt device and follow theprompts to encrypt all data on your device.Factory Data Reset PasswordUse this option to set up your password when one isfirst required or change your current password.1. From a Home screen, tap Apps >Settings > PERSONAL.2. Tap Lock screen and security > Other securitysettings > Set up/change password.3. Enter a new password and tap Confirm.4. Enter the new password again and tap Confirm.SIM Card LockRequire both your SIM card PIN and your ordinaryscreen lock type when unlocking the device.1. From a Home screen, tap Apps >Settings > PERSONAL.2. Tap Lock screen and security > Other securitysettings > Set up SIM card lock and follow theprompts.3. Tap Lock SIM card to turn the feature on.4. Tap Change SIM card PIN to create a new PIN.View PasswordsDisplay password characters briefly as you typethem.1. From a Home screen, tap Apps >Settings > PERSONAL.2. Tap Lock screen and security > Other securitysettings > Make passwords visible to turn thefeature on.Security Update ServiceAutomatically receive security updates.1. From a Home screen, tap Apps >Settings > PERSONAL.2. Tap Lock screen and security > Other securitysettings for the following Security updateservice options:• Security policy updates: Automatically ormanually check for security policy updates.• Send security reports: Send security reportsto Samsung via Wi-Fi for threat analysis.