networks; other features may require that you makespecific arrangements with your service provider to usethem. Network services involve transmission of data.Check with your service provider for details about feesin your home network and when roaming on othernetworks. Your service provider can explain whatcharges will apply. Some networks may havelimitations that affect how you can use some featuresof this device requiring network support such assupport for specific technologies like WAP 2.0 protocols(HTTP and SSL) that run on TCP/IP protocols andlanguage-dependent characters.Your service provider may have requested that certainfeatures be disabled or not activated in your device. Ifso, these features will not appear on your device menu.Your device may also have customized items such asmenu names, menu order, and icons.Shared memoryThe following features in this device may sharememory: multimedia messaging (MMS), e-mailapplication, instant messaging. Use of one or more ofthese features may reduce the memory available forthe remaining features. If your device displays amessage that the memory is full, delete some of theinformation stored in the shared memory.During extended operation such as an active video calland high speed data connection, the device may feelwarm. In most cases, this condition is normal. If yoususpect the device is not working properly, take it tothe nearest authorised service facility.ActiveSyncUse of the Mail for Exchange is limited to over-the-airsynchronisation of PIM information between the Nokiadevice and the authorised Microsoft Exchange server.Magnets and magnetic fieldsKeep your device away from magnets or magneticfields.13 Safety