Network servicesThe wireless phone described in this guide is approved for use on the EGSM 900, GSM1800 and UMTS networks.Dual system (operation in both GSM/EGSM and UMTS networks) is a networkdependent feature. Check with your local service provider if you can subscribe to anduse this feature.A number of features included in this guide are called Network Services. These arespecial services that you arrange through your wireless service provider. Before you cantake advantage of any of these Network Services, you must subscribe to them throughyour service provider and obtain instructions for their use from your service provider.Note: Some networks may not support all language-dependent charactersand/or services.About accessoriesCheck the model number of any charger before use with this device. This device isintended for use when supplied with power from ACP-12, DCV-14 and LCH-9.Warning: Use only batteries, chargers and accessories approved by the phonemanufacturer for use with this particular phone model. The use of any othertypes may invalidate any approval or warranty applying to the phone, and maybe dangerous.For availability of approved accessories, please check with your dealer.When you disconnect the power cord of any accessory, grasp and pull the plug, not thecord.Copyright © 2004 Nokia. All rights reserved. xi