7messages, connectivity requests, browsing, and downloads. Only install and useservices and other software from trustworthy sources that offer adequate securityand protection against harmful software, such as applications that are SymbianSigned or have passed the Java VerifiedTM testing. Consider installing antivirus andother security software on your device and any connected computerYour device may have preinstalled bookmarks and links for third-party internetsites. You may also access other third-party sites through your device. Third-partysites are not affiliated with Nokia, and Nokia does not endorse or assume liabilityfor them. If you choose to access such sites, you should take precautions forsecurity or content.Note: Your device can only support one antivirus application. Havingmore than one application with antivirus functionality could affectperformance and operation or cause the device to stop functioning.Warning: To use any features in this device, other than the alarm clock,the device must be switched on. Do not switch the device on whenwireless device use may cause interference or danger.When connecting to any other device, read its user guide for detailed safetyinstructions. Do not connect incompatible products.Make back-up copies or keep a written record of all important information storedin your device.Keep your device away from magnets or magnetic fields.■ Network servicesTo use the device you must have service from a wireless service provider. Somefeatures are not available on all networks; other features may require that youmake specific arrangements with your service provider to use them. Networkservices involve transmission of data. Check with your service provider for detailsabout fees in your home network and when roaming in other networks. Yourservice provider can explain what charges will apply. Some networks may havelimitations that affect how you can use some features of this device requiringnetwork support such as support for specific technologies like WAP 2.0 protocols(HTTP and SSL) that run on TCP/IP protocols and language-dependent characters.Your service provider may have requested that certain features be disabled or notactivated in your device. If so, these features will not appear on your device menu.Your device may also have customized items such as menu names, menu order,and icons.