downloads. Only install and use services and othersoftware from trustworthy sources that offer adequatesecurity and protection against harmful software, suchas applications that are Symbian Signed or have passedthe Java Verified™ testing. Consider installing antivirusand other security software on your device and anyconnected computer.Your device may have preinstalled bookmarks and linksfor third-party internet sites. You may also access otherthird-party sites through your device. Third-party sitesare not affiliated with Nokia, and Nokia does notendorse or assume liability for them. If you choose toaccess such sites, you should take precautions forsecurity or content.Warning: To use any features in this device,other than the alarm clock, the device must beswitched on. Do not switch the device on whenwireless device use may cause interference or danger.The office applications support common features ofMicrosoft Word, PowerPoint, and Excel (Microsoft Office2000, XP, and 2003). Not all file formats can be viewedor modified.Remember to make back-up copies or keep a writtenrecord of all important information stored in yourdevice.When connecting to any other device, read its userguide for detailed safety instructions. Do not connectincompatible products.The images in this guide may differ from your devicedisplay.Network servicesTo use the phone you must have service from a wirelessservice provider. Many of the features require specialnetwork features. These features are not available onall networks; other networks may require that youmake specific arrangements with your service providerbefore you can use the network services. Your serviceprovider can give you instructions and explain whatcharges will apply. Some networks may havelimitations that affect how you can use networkservices. For instance, some networks may not supportall language-dependent characters and services.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 a special configuration suchas changes in menu names, menu order, and icons.Contact your service provider for more information.This device supports WAP 2.0 protocols (HTTP and SSL)that run on TCP/IP protocols. Some features of thisdevice, such as MMS, web browsing, and e-mail, requirenetwork support for these technologies.12 Safety