Samsung SGHA637 User Manual

Also see for SGH-A657: User manual Manual Del Usuario

Contents

Samsung SGHA637 User Manual Manual pdf 152 page image

149Maintaining Your Phone's Peak PerformanceFor the best care of your phone, only authorized personnel shouldservice your phone and accessories. Faulty service may void thewarranty.There are several simple guidelines to operating your phoneproperly and maintaining safe, satisfactory service.• If your phone is equipped with an external antenna, hold the phonewith the antenna raised, fully-extended and over your shoulder.• Do not hold, bend or twist the phone's antenna, if applicable.• Do not use the phone if the antenna is damaged.• If your phone is equipped with an internal antenna, obstructing theinternal antenna could inhibit call performance.• Speak directly into the phone's receiver.• Avoid exposing your phone and accessories to rain or liquid spills. Ifyour phone does get wet, immediately turn the power off and removethe battery. If it is inoperable, call Customer Care for service.Availability of Various Features/Ring TonesMany services and features are network dependent and mayrequire additional subscription and/or usage charges. Not allfeatures are available for purchase or use in all areas.Downloadable Ring Tones may be available at an additional cost.Other conditions and restrictions may apply. See your serviceprovider for additional information.Battery Standby and Talk TimeStandby and talk times will vary depending on phone usagepatterns and conditions. Battery power consumption depends onfactors such as network configuration, signal strength, operatingtemperature, features selected, frequency of calls, and voice,data, and other application usage patterns.Battery Precautions• Avoid dropping the cell phone. Dropping it, especially on a hardsurface, can potentially cause damage to the phone and battery. If yoususpect damage to the phone or battery, take it to a service center forinspection.• Never use any charger or battery that is damaged in any way.• Do not modify or remanufacture the battery as this could result inserious safety hazards.• 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.• Follow battery usage, storage and charging guidelines found in theuser’s guide.• Battery charging time depends on the remaining battery charge andthe type of battery and charger used. The battery can be charged anddischarged hundreds of times, but it will gradually wear out. When the