204Section 14Availability of Various Features/Ring TonesMany services and features are network dependent andmay require additional subscription and/or usagecharges. Not all features are available for purchase or usein all areas. Downloadable Ring Tones may be available atan additional cost. Other conditions and restrictions mayapply. See your service provider for additionalinformation.Battery Standby and Talk TimeStandby and talk times will vary depending on phoneusage patterns and conditions. Battery powerconsumption depends on factors such as networkconfiguration, signal strength, operating temperature,features selected, frequency of calls, and voice, data, andother application usage patterns.Battery Precautions• Never use any charger or battery that is damaged in any way.• Use the battery only for its intended purpose.• If you use the phone near the network's base station, it usesless power; talk and standby time are greatly affected by thesignal strength on the cellular network and the parameters setby the network operator.• Battery charging time depends on the remaining battery chargeand the type of battery and charger used. The battery can becharged and discharged hundreds of times, but it will graduallywear out. When the operation time (talk time and standby time)is noticeably shorter than normal, it is time to buy a newbattery.• If left unused, a fully charged battery will discharge itself overtime.
