8■ 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 networks mayrequire 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.■ Shared memoryThe following features in this device may share memory:Downloaded ringtones and wallpapers.Use of one or more of these features may reduce the memoryavailable for the remaining features sharing memory. Your devicemay display a message that the memory is full when you try to use ashared memory feature. In this case, delete some of the informationor entries stored in the shared memory features before continuing.
