85 Lock Screen and SecuritySettingsFind My MobileProtect your device from loss or theft allowing yourdevice to be locked, tracked, and for your data to bedeleted remotely.► To access your device remotely, visitfindmymobile.samsung.com.Note: You must sign up for a Samsung account andenable Google location service to use Find My Mobile.1. From a Home screen, tap Apps > Settings> PERSONAL tab.2. Tap Lock screen and security > Find MyMobile.3. Enter your Samsung account password, or if youare not logged in to your Samsung account, tapAdd account and follow the prompts.4. The following options are available:• Remote controls: Tap to activate or deactivateRemote controls, which allows you to accessyour device remotely.• Google location service: Tap to activateor deactivate Google location service. Thisservice must be on in order to find yourphone.• SIM change alert: Prevent unauthorizedchanges to your SIM card by being alertedwhenever an app or service attempts tochange data on your SIM card.• Reactivation lock: Use your Samsungaccount to stop anyone from reactivating youdevice without your permission.Unknown SourcesEnable installation of non-Google Play applications.1. From a Home screen, tap Apps > Settings> PERSONAL tab.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 tab.2. Tap Lock screen and security > Other securitysettings > Encrypt device, and follow theprompts to encrypt all data on your device.Set Up or Change Your Factory DataPasswordProtect your device from being reset accidentally byrequiring a special password before it can be resetto its factory defaults.1. From a Home screen, tap Apps > Settings> PERSONAL tab.2. Tap Lock screen and security > Other securitysettings > Set up/change password and followthe prompts.