Network use• If you are listening to music or otherwise using your device, but do not want tomake or receive calls, activate the offline profile.• Set your device to check for new mail less frequently.• Use a Wi-Fi connection to connect to the internet, rather than a packet data (GPRSor 3G) connection.• If your device is set to use both GSM and 3G networks (dual mode), the device usesmore power when searching for the 3G network.Set your device to use only the GSM networkSelect Menu > Settings and Connectivity > Network > Network mode > GSM.Deactivate Bluetooth when not neededSelect Menu > Settings and Connectivity > Bluetooth > Bluetooth > Off.Stop your device scanning for available Wi-Fi networksSelect Menu > Settings and Connectivity > Wi-Fi > Options > Settings > Show Wi-Fi availability > Never.Establish a packet data (3G or GPRS) connection only when neededSelect Menu > Settings and Connectivity > Admin. settings > Packet data > Packetdata connection > When needed.PersonalizationProfilesAbout profilesSelect Menu > Settings and Tone profiles.Waiting for a call but can't let your phone ring? Your device has various settings groupscalled profiles, which you can customize for different events and environments. You canalso create your own profiles.You can customize the profiles in the following ways:• Change the ringing and message alert tones.• Adjust the volume of ringing and key tones.• Mute key tones and warning tones.• Activate vibrating alerts.• Set the device to say the name of the contact who is calling.30 Personalization