Health and safety information76For more Information concerning exposure toradio frequency signals, see the followingwebsites:Federal Communications Commission (FCC)http://www.fcc.gov/rfsafetyCellular Telecommunications Industry Association(CTIA):http://www.wow-com.comU.S.Food and Drug Administration (FDA)http://www.fda.gov/cdrh/consumerWorld Health Organization (WHO)http://www.who.int/peh-emf/enPrecautions When Using Batteries• Never use any charger or battery that isdamaged in any way.• Use the battery only for its intended purpose.• If you use the phone near the network’s basestation, it uses less power; talk and standbytime are greatly affected by the signal strengthon the cellular network and the parameters setby the network operator.• Battery charging time depends on theremaining battery charge and the type ofbattery and charger used. The battery can becharged and discharged hundreds of times, butit will gradually wear out. When the operationtime (talk time and standby time) is noticeablyshorter than normal, it is time to buy a newbattery.• If left unused, a fully charged battery willdischarge itself over time.• Use only Samsung-approved batteries andrecharge your battery only with Samsung-approved chargers. When a charger is not inuse, disconnect it from the power source. Donot leave the battery connected to a chargerfor more than a week, since overcharging mayshorten its life.• Extreme temperatures will affect the chargingcapacity of your battery: it may require coolingor warming first.• Do not leave the battery in hot or cold places,such as in a car in summer or winterconditions, as you will reduce the capacity andlifetime of the battery. Always try to keep thebattery at room temperature. A phone with ahot or cold battery may temporarily not work,even when the battery is fully charged. Li-ion