•Set-up SIM card lock:

--Lock SIM card: Activate or deactivate the PIN lock feature to require the PIN before using the device.

--Change SIM PIN: Change the PIN used to access SIM or USIM data.

•Visible passwords: Set the device to display your password as you enter.

•Select device administrators: View device administrators installed on your device. You can activate device administrators to apply new policies to your device.

•Use secure credentials: Use certificates and credentials to ensure secure use of various applications.

•Install from SD card: Install encrypted certificates that are stored on a memory card.

•Set password: Create and confirm a password for accessing credentials.

•Clear storage: Erase the credential contents from the device and reset the password.

Applications

Change the settings for managing installed applications.

•Unknown sources: Select to download applications from any source. If you do not select this option, you can download applications only from Android Market.

•Manage applications: Access the list of the applications installed on the device and check the application information.

•Running services: View the services you are using and access them to manage.

•Development:

--USB debugging: This is for application development. When your device is connected to a PC with a PC data cable, the USB debugging mode will be activated and Samsung Kies will launch automatically.

--Stay awake: Set the device’s screen to stay on while charging the battery.

Settings 101