Your device can automatically switchbetween GSM and UMTS networks. GSMnetworks are indicated with . UMTSnetworks are indicated with .An active high-speed downlink packetaccess (HSDPA) connection (networkservice) is indicated with .Select from the following:Network mode — Select which networkto use. If you select Dual mode, the deviceuses the GSM or UMTS networkautomatically, according to the networkparameters and the roaming agreementsbetween the wireless service providers.For details and roaming costs, contactyour network service provider. This optionis shown only if supported by the wirelessservice provider.A roaming agreement is an agreementbetween two or more service providers toenable the users of one service provider touse the services of other service providers.Operator selection — Select Automaticto set the device to search for and selectone of the available networks, or Manualto manually select the network from a list.If the connection to the manually selectednetwork is lost, the device sounds an errortone and asks you to reselect a network.The selected network must have aroaming agreement with your homenetwork.Cell info display — Set the device toindicate when it is used in a cellularnetwork based on microcellular network(MCN) technology and to activate cell inforeception.Wireless LANYour device can detect and connect towireless local area networks (WLAN).Using a WLAN, you can connect yourdevice to the internet and compatibledevices that have WLAN support.About WLANTo use a wireless local area network(WLAN) connection, it must be available inthe location, and your device must beconnected to the WLAN. Some WLANs areprotected, and you need an access keyfrom the service provider to connect tothem.Note: In France, you are onlyallowed to use WLAN indoors.Features that use WLAN, or that areallowed to run in the background whileusing other features, increase the demandon battery power and reduce the batterylife.Important: Always enable one ofthe available encryption methods toincrease the security of your wireless LANconnection. Using encryption reduces therisk of unauthorised access to your data.WLAN connectionsTo use a wireless LAN (WLAN) connection,you must create an internet access point(IAP) for WLAN. Use the access point forapplications that need to connect to theinternet.A WLAN connection is established whenyou create a data connection using aWLAN internet access point. The activeWLAN connection ends when you end thedata connection.50 Connectivity© 2011 Nokia. All rights reserved.