Settings 105Unknown SourcesBy default, you can only install apps from the Google Play Store. When Unknown sources isenabled, you can install apps from other sources.1. Press and tap Apps > Settings > General tab.2. Tap Security > Unknown sources to enable the option.Verify AppsWhen enabled, apps are examined before they are installed for any potential harm they might poseto your tablet.1. Press and tap Apps > Settings > General tab.2. Tap Security > Verify apps to enable the option.Security Update ServiceYour device’s security policies provide protection against potential threats.Security Policy UpdatesYou can keep your security policies up to date by updating security policies often. You can setoptions for automatic updates, to ensure your device always receives the latest updates.1. Press and tap Apps > Settings > General tab.2. Tap Security > Security policy updates to configure options:l Automatic updates: When enabled, your device will automatically update security policieswhen it is connected to preferred networks. Use the Preferred networks setting to specifynetworks your device will consider as preferred.l Preferred networks: Choose Wi-Fi networks only to restrict your device to only updatingsecurity policies when it’s connected to a Wi-Fi network. Choose Wi-Fi or mobilenetworks to allow your device to update security policies any time it’s connected to Wi-Fi, orto the wireless network. Depending on your service plan, updating the security policies overthe wireless network may result in additional charges for downloading the policy data.l Check for updates: Check for and install available security policy updates.Send Security ReportsYour device can send security reports to Samsung, to assist in keeping security policies up to date. Ifyou enable this option, security reports are only sent when your device is connected to a Wi-Finetwork.