142Credential StorageThis option allows certain applications to access securecertificates and other credentials. Certificates and credentialscan be installed to the SD card and password protected.1. From the Home screen, touch ➔ Settings ➔Location and security.2. Touch Use secure credentials to activate this feature. Acheck mark displayed next to the feature indicates securecredentials is active.3. Touch Install encrypted certificates from SD card to installencrypted certificates from the memory (SD) card.4. Touch Set password to set or change the credential storagepassword.5. Touch Clear storage to clear the storage (SD card or phonememory) of all contents and reset the credentialspassword.ApplicationsThis device can be used for Android development. You can writeapplications in the SDK and install them on this device, then runthe applications using the hardware, system, and network. Thisfeature allows you to configure the device for development.Warning!: Android Dev Phone 1 devices are not intended for non-developerend-users. Because the device can be configured with systemsoftware not provided by or supported by Google or any othercompany, end-users operate these devices at their own risk.Unknown SourcesBefore you can download a web application you must insert amemory card into the phone and enable the Unknown sourcesfeature (enables downloading). Developers can use this option toinstall non-Market applications.1. From the Home screen, touch ➔ Settings ➔Applications.2. Touch Unknown sources to active this feature.