9Installing the Back Cover1. Place the battery cover onto the back of the phone andpress down (1).2. Press down along the edge of the back cover (2) untilyou have a secure seal.Note: Make sure the battery is properly installed beforeswitching on the phone.Charging a BatteryYour device is powered by a rechargeable Li-ion battery. TheTravel Charger that is used to charge the battery, is includedwith your device. Use only Samsung-approved batteries andchargers.Note: You must fully charge the battery before using yourphone for the first time. A discharged battery rechargesfully in approximately 4 hours.Note: Long backlight settings, searching for service, vibratemode, web browser use, and other variables mayreduce the battery’s talk and standby times.Although you can use the phone while the battery ischarging, doing so will require additional charging time.