when you are not trying to connect, not connectedto another access point, or not scanning foravailable networks. To further reduce batteryconsumption, you can specify that your device notscan, or scans less often, for available networks inthe background.● If you have set Packet data connection to Whenavailable in connection settings, and there is nopacket data coverage (GPRS), the device periodicallytries to establish a packet data connection. Toprolong the operating time of your device, selectPacket data connection > When needed.● The Maps application downloads new mapinformation when you scroll to new areas on themap, which increases the demand on battery power.You can prevent the automatic download of newmaps.● If the signal strength of the cellular network variesmuch in your area, your device must scan for theavailable network repeatedly. This increases thedemand on battery power.If the network mode is set to dual mode in thenetwork settings, the device searches for the UMTSnetwork. You can set the device to use only the GSMnetwork. To use only the GSM network, selectMenu > Settings and Connectivity > Network >Network mode > GSM.● The backlight of the display increases the demandon battery power. In the display settings, you canchange the length of the time-out period afterwhich the backlight is switched off, and adjust thelight sensor that observes lighting conditions andadjusts the display brightness. Select Menu >Settings and Phone > Display > Light time-out or Brightness.● Leaving applications running in the backgroundincreases the demand on battery power. To closethe applications you are not using, press and holdthe menu key, select Options > Show openapps., and go to the application by pressing themenu key repeatedly. Press and hold the menu key,and select Exit.Free memoryTo view how much space is available for different datatypes, select Menu > Applications > File mgr..Many features of the device use memory to store data.The device notifies you if the memory in differentmemory locations is low.To free memory, transfer data to a compatible memorycard (if available) or to a compatible computer.To remove data you no longer need, use File manageror open the respective application. You can remove thefollowing:● Messages in the folders in Messaging and retrievede-mail messages in the mailbox 17 Find help