Anytime the Power Save feature is activated, a message displays on thescreen. When a signal is found, your phone returns to standby mode.Maintaining Your Phone's Peak PerformanceFor the best care of your phone, only authorized personnel should serviceyour phone and accessories. Faulty service may void the warranty.There are several simple guidelines to operating your phone properly andmaintaining safe, satisfactory service.z Hold the phone with the antenna raised, fully-extended and overyour shoulder.z Try not to hold, bend or twist the phone's antenna.z Don't use the phone if the antenna is damaged.z Speak directly into the phone's receiver.z Avoid exposing your phone and accessories to rain or liquid spills.If your phone does get wet, immediately turn the power off andremove the battery. If it is inoperable, call Customer Care forservice.Availability of Various Features/Ring TonesMany services and features are network dependent and may requireadditional subscription and/or usage charges. Not all features areavailable for purchase or use in all areas. Downloadable Ring Tones maybe available at an additional cost. Other conditions and restrictions mayapply. See your service provider for additional information.Battery Standby and Talk TimeStandby and talk times will vary depending on phone usage patterns andconditions. Battery power consumption depends on factors such asnetwork configuration, signal strength, operating temperature, featuresselected, frequency of calls, and voice, data, and other application usagepatterns.Battery Precautionsz Never use any charger or battery that is damaged in any way.z Use the battery only for its intended purpose.z If you use the phone near the network's base station, it uses lesspower; talk and standby time are greatly affected by the signalstrength on the cellular network and the parameters set by thenetwork operator.z 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) isnoticeably shorter than normal, it is time to buy a new battery.z If left unused, a fully charged battery will discharge itself over time.z Use only Samsung-approved batteries and recharge your battery