Settings 1911. Press and tap > Settings > General.2. Tap Security, and then tap an option: Security policy updates: When enabled, your phone will automatically check forchanges to the security policy and download any updates, to improve security andservice. Via Wi-Fi only: When enabled, your phone will only update the security policyautomatically when it is connected to a Wi-Fi network.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 > General.2. Tap Security, and then tap an option: Storage type: The type of storage used for credentials (not configurable). Trusted credentials: Tap to view credentials you’ve installed. Install from device storage: Tap to install encrypted certificates from an optionalinstalled memory card (not included). Clear credentials: Tap to clear stored credentials and reset the password (onlyavailable when credentials are installed).Activate this DeviceConnect to the network and activate your device. If your device is already activated, use thisoption to view information about your plan and usage.1. Press and tap > Settings > General.2. Tap Activate this device, and then follow the prompts to activate your device on thenetwork.System UpdateUse System update options to update your phone’s internal software.1. Press and tap > Settings > General.2. Tap System Update to use these options: Update: Check for updates from the system server.