Samsung SGH-T999N User Manual Metropcs Sgh-t999n Galaxy S Iii English User Man - Page 297

Unknown Sources Before you can download a web application you must enable the Unknown sources feature (enables downloading). Developers can use this option to install non-Play Store applications. 1. From the main Settings page, tap Security. 2. Tap Unknown sources to active this feature. Note: If you are notified that you can not download a Play Store application because it comes from an "Unknown source", enabling this option corrects this issue. Credential Storage This option allows certain applications to access secure certificates and other credentials. Certificates and credentials can be installed to the SD card and password protected. 1. From the main Settings page, tap Security. 2. Tap Trusted credentials to display only trusted CA certificates. A check mark displayed next to the feature indicates secure credentials. 3. Tap Install from device storage to install encrypted certificates from the USB Storage location. 4. Tap Clear credentials to clear the device (SD card or phone memory) of all certificate contents and reset the credentials password. Changing Your Settings 291