8Warning: To use any features in this device, other thanthe alarm clock, the device must be switched on. Do notswitch the device on when wireless device use may causeinterference or danger.■ Network servicesTo use the phone you must have service from a wireless serviceprovider. Many of the features require special network features.These features are not available on all networks; other networksmay require that you make specific arrangements with your serviceprovider before you can use the network services. Your serviceprovider can give you instructions and explain what charges willapply. Some networks may have limitations that affect how youcan use network services. For instance, some networks may notsupport all language-dependent characters and services.Your service provider may have requested that certain features bedisabled or not activated in your device. If so, these features will notappear on your device menu. Your device may also have a specialconfiguration such as changes in menu names, menu order, andicons. Contact your service provider for more information.