you select Manual, you receive a notification when there isa new multimedia message that you can retrieve in themultimedia message centre. If you select Off, the device doesnot make any network connections related to multimediamessaging.To set the device to use a packet data connection only if youstart an application or action that needs it, select Menu >Tools > Settings > Connection > Packet data > Packetdata connection > When needed.If this does not help, switch the device off, and switch it onagain.Q: How do I save battery power?A: Many features in your device increase the demand onbattery power and reduce the battery life time. To savebattery power, do the following:• Switch off Bluetooth when you do not need it.• Stop the background scans for WLAN. Select Menu >Tools > Settings > Connection > Wireless LAN >Show WLAN availability > Never. You can still manuallyscan for available WLAN networks and connect to WLANnetworks as usual.• Set the device to use a packet data connection only if youstart an application or action that needs it. Select Menu >Tools > Settings > Connection > Packet data >Packet data connection > When needed.• Prevent the device from automatically downloading newmaps in the Maps application. Select Menu > GPS >Maps and Options > Settings > Internet >Connection > Offline.• Change the time-out after which the backlight is switchedoff. Select Menu > Tools > Settings > General >Personalisation > Display > Light time-out.• Close the applications you do not use. Press and hold thehome key. Scroll to the application, and press thebackspace key to close the application.Product and safety informationEnhancementsWarning: Use only batteries, chargers, and accessoriesapproved by Nokia for use with this particular model. The useof any other types may invalidate any approval or warranty,and may be dangerous. In particular, use of unapprovedchargers or batteries may present a risk of fire, explosion,leakage, or other hazard.© 2010 Nokia. All rights reserved. 135