Settings100HSDPA- : Enable or disable high-speed downlink packetaccess.GPRS Authentications- : Set the authentication typefor each network connection.View more- : Access additional options:Restore Connections: Restore all network settings tofactory defaults.Operator Settings- : Select a network operator.Network connection settings will change automaticallyaccording to the selected operator.(This feature maybe unavailable depending on your region or serviceprovider.)SystemA-GPS• : Enhance the startup performance of GPSreceivers by using network elements such as assistanceserver.Enhanced GPS• : Enable or disable the XTRA enhancedGPS server.About• :Version- : View the Windows Mobile software version.Security•Open Source Announcement- : View the open sourcelicence document in PDF format.SIM Lock- : Enable or disable the SIM lock function.SIM PIN- : Set whether or not to require a PIN whenusing the device.Change PIN- : Change the current PIN.View more- : Access additional options:Change PIN2: Change the current PIN2.Change Barring Password: Change the current callbarring password.Mobile Tracker: Configure and change the passwordfor the mobile tracker feature.Network Settings•Band Selection- : Select a band to use for cellularservice.Network Options- : Set the network selection methodand set preferred networks.