Settings82ApplicationsChange the setting for managing installed applications.• Unknown sources: Select to download applicationsfrom any source. If you do not select this option, you candownload applications only from Android Market• Manage applications: Access the list of the applicationsinstalled on the device and check the applicationinformation. To view the applications that are currentlyrunning or third-party applications installed additionally,press [ ] → Filter.• Running services: View the services you are using andaccess them to manage.• Development:- USB debugging: Select to connect your device toa PC by using a PC data cable. This is for applicationdevelopment.• Use tactile feedback: Set the device to vibrate whenyou touch and draw the unlock pattern.• Set up SIM card lock:- Lock SIM card: Activate or deactivate the PIN lockfeature to require the PIN before using the device.- Change SIM PIN: Change the PIN used to access SIMor USIM data.• Visible passwords: By default, the device displays yourpassword as * for security. Set the device to display yourpassword as you enter.• Use secure credentials: Use certificates and credentialsto ensure secure use of various applications.• Install from SD card: Install encrypted certificates thatare stored on a memory card.• Set password: Create and confirm a password foraccessing credentials.• Clear storage: Erase the credential contents from thedevice and reset the password.
