8Charging the BatteryKeeping track of your battery’s power level isimportant. If the power level becomes too low,the phone turns off automatically, and you canlose any unsaved information.With the Samsung-approved Li-Ion battery, youcan recharge the battery before it completelyruns down.Note: The battery comes partially charged, butyou should fully charge the battery beforeusing your phone. After the first charge, youcan use the phone while charging. Connect the charger to the USB/Accessoryport, then plug the Charger into anelectrical outlet..Turning the Phone On and OffTurning the Phone On Press and hold the Power/Lock Key untilthe phone starts up.Turning the phone Off1. Press and hold the Power/Lock Key untilthe Device Options menu displays.2. On the Device Options menu, touch Poweroff.