Select > Zip.ConnectivityConnectivity securityNokia understands how important it is that your mobile phone or device operatesreliably and that your personal content is saved safely.Any information from an unknown or unreliable source, for example, via Bluetoothconnectivity, multimedia message, or cable, may harm your PC, mobile phone, or device.You may protect your mobile phone or device from damage and keep it secured byfollowing simple measures:• Always keep Bluetooth connectivity closed unless you want your phone or deviceto be visible to others, when your phone or device supports Bluetooth.• Always be alert when receiving information, like Bluetooth file or multimediamessage, from an unknown or untrustworthy source.• Do not download or install any applications that may include software harmful toyour phone or device.• Always download and install applications or content, like ringing tone or game,from trusted or well-known sources, such as Nokia Store, where good protection isprovided against viruses and other harmful software.This is a friendly reminder, the mentioned function may vary from different devicemodel.Select a network manuallyIf you know that a network provides lower costs or faster data transmission, you canmanually select the network.Select > Settings and Connectivity > Network.Select Operator selection > Manual and the network. To set the phone to select thenetwork automatically, select Operator selection > Automatic.When your phone searches for or connects to a 3G network, the phone consumes morepower. You can set the network type manually. You may not be able to modify thissetting.Select the network typeSelect Network mode > GSM, 3G, or Dual mode.102 Connectivity