Nokia 002J900 User Manual

Also see for 002J900: Datasheet

Contents

Nokia 002J900 User Manual Manual pdf 20 page image

apply. For more information, contact a Nokia Care point oryour device dealer.● Personal Unblocking Key (PUK) code and PUK2code — These codes (8 digits) are required to change ablocked PIN code or PIN2 code, respectively. If the codesare not supplied with the SIM card, contact the operatorwhose SIM card is in your device.● UPUK code — This code (8 digits) is required to change ablocked UPIN code. If the code is not supplied with theUSIM card, contact the operator whose USIM card is in yourdevice.Prolong battery lifeMany features in your device increase the demand on batterypower and reduce the battery lifetime. To save batterypower, note the following:● Features that use Bluetooth technology, or allowing suchfeatures to run in the background while using otherfeatures, increase the demand on battery power. TurnBluetooth technology off when you do not need it.● Features that use wireless LAN (WLAN), or allowing suchfeatures to run in the background while using otherfeatures, increase the demand on battery power. WLAN onyour Nokia device switches off when you are not trying toconnect, not connected to an access point, or not scanningfor available networks. To further reduce batteryconsumption, you can specify that your device does notscan, or scans less often, for available networks in thebackground.● If you have set Packet data connection to Whenavailable in connection settings, and there is no packetdata coverage (GPRS), the device periodically tries toestablish a packet data connection. To prolong theoperating time of your device, select Packet dataconnection > When needed.● The Maps application downloads new map informationwhen you move to new areas on the map, which increasesthe demand on battery power. You can prevent theautomatic download of new maps.● If the signal strength of the cellular network varies muchin your area, your device must scan for the availablenetwork repeatedly. This increases the demand on batterypower.If the network mode is set to dual mode in the networksettings, the device searches for the UMTS network. Youcan set the device to use only the GSM network. To onlyuse the GSM network, select Menu > Settings andConnectivity > Network > Network mode > GSM.● The backlight of the display increases the demand onbattery power. In the display settings, you can change thetime-out after which the backlight is switched off, andadjust the light sensor that observes lighting conditionsand adjusts the display brightness. Select Menu >Settings and Phone > Display > Light time-out orLight sensor.● Leaving applications running in the background increasesthe demand on battery power. To close the applicationsyou do not use, press and hold the menu key, selectOptions > Show open apps., and navigate to theFind help© 2009 Nokia. All rights reserved.20