Samsung SGH-T879 User Manual Ver.lg2_f2 (English(north America)) - Page 284

To change an existing SIM Card PIN: 1. Tap Change SIM PIN. 2. Enter the old SIM PIN code and tap OK. 3. Enter the new SIM PIN code and tap OK. 4. Re-type the new SIM PIN code and tap OK. Password Settings When you create a phone password you can also configure the phone to display the password as you type it instead of using an asterisk (*). 1. Press ➔ and then tap Settings ➔ Security. 2. Tap Make passwords visible to activate this feature. Device Administration Activating this feature allows Google to administrate your phone in a way similar to IT security settings on a corporate PC. This would be beneficial in the case that your phone was lost or stolen. The phone could be "deactivated" or "restricted" (through administration) from a remote location. 1. Press ➔ and then tap Settings ➔ Security. 2. Tap Device administrators to begin configuring this setting. 3. Select an administrator device and follow the prompts. 279 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. Press ➔ and then tap Settings ➔ Security. 2. Tap Unknown sources to active this feature. Note: If you are notified that you can not download a Market 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. Press ➔ and then tap Settings ➔ Security. 2. Tap Trusted credentials to display only trusted CA certificates. A check mark displayed next to the feature indicates secure credentials.