endorse or assume any liability for these sites. If youchoose to access them, you should take the sameprecautions, for security or content, as you would withany internet site.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 on allnetworks; other networks may require that you makespecific arrangements with your service provider beforeyou can use the network services. Your service providercan give you instructions and explain what charges willapply. Some networks may have limitations that affecthow you can use network services. For instance, somenetworks may not support all language-dependentcharacters and services.using the browser or over MMS, require network supportfor these technologies.For availability and information on using SIM card services,contact your SIM card vendor. This may be the serviceprovider or other vendor.Enhancements, batteries, andchargersAlways switch the device off and disconnect the chargerbefore removing the battery.Check the model number of any charger before use withthis device. This device is intended for use when suppliedwith power from a DC-4, AC-3, or AC-4 charger, and froman AC-1, ACP-8, ACP-9, ACP-12, LCH-8, LCH-9, or LCH-12charger when used with the CA-44 charger adapter.The battery intended for use with this device is BL-5F.