180 SecuritySettingsDevice AdministrationManage your device administrators and applicationinstallation privileges.1. From a Home screen, tap Apps > Settings >More tab.2. Tap Security for options:• Device administrators: Add or remove deviceadministrators.• Unknown sources: Enable installation ofnon-Google Play applications.• Verify apps: Block or warn before installingapps that may cause harm.Warning: Enabling installation of third-party applicationscan cause your device and personal data to be morevulnerable to attacks by unknown sources.