Settings 162Configure Device Administration1. Press and tap > Settings > More tab.2. Tap Security, and then tap an option: Device administrators: View, add, or remove device administrators. Unknown sources: Enable your phone to install apps from sources other thanGoogle Play Store. Verify apps: Display a warning before installing apps that may cause harm.Credential StorageYou can install credentials from an optional installed memory card (not included), and use theCredential storage settings to allow applications to access the security certificates and othercredentials.1. Press and tap > Settings > More tab.2. Tap Security, and then tap an option: Trusted credentials: View credentials you’ve installed. Install from device storage: Install encrypted certificates from an optional installedmemory card (not included). Clear credentials: Clear stored credentials and reset the password (only availablewhen credentials are installed).Application ManagerYou can download and install applications from the Google Play Store or Samsung Apps, orcreate applications using the Android SDK and install them on your phone. Use Applicationmanager to manage applications on your phone.Warning! Because this phone can be configured with system software not provided by orsupported by Google or any other company, end-users operate these devices at their own risk.1. Press and tap > Settings > More tab.2. Tap Application manager, and then tap Downloaded, SD card, Running, or All toview the status of apps and services. Tap an app or service for more information, and forapp options, such as stopping and uninstalling.