140SettingsUnknown SourcesEnable installation of non‑Google Play applications.1. From a Home screen, tap Apps > Settings.2. Tap Lock screen and security > Unknown sourcesto enable this option.Warning: Enabling installation of third‑partyapplications can cause your device and personal data tobe more vulnerable to attacks by unknown sources.Secure FolderLock your private content and apps to enhance security.You must sign in to your Samsung account in order touse Secure Folder. You must also set a secure lock foryour device.1. From a Home screen, tap Apps > Settings.2. Tap Lock screen and security > Secure Folderand follow the prompts to secure content on yourdevice.Secure StartupProtect your device by requiring a numeric PIN,password, or pattern to be entered before it starts up.Note: You must have a secured screen lock for thisoption to be available.1. From a Home screen, tap Apps > Settings.2. Tap Lock screen and security > Secure startup andselect an option.Encrypt SD CardProtect your SD card by encrypting its data.1. From a Home screen, tap Apps > Settings.2. Tap Lock screen and security > Encrypt SD card.3. Tap Encrypt SD card and follow the prompts toencrypt all data on your memory card.
