42. Press all along the edge of the back cover until you have asecure seal.Note: Make sure the battery is properly installed before switching on thephone.Charging a BatteryYour device is powered by a rechargeable Li-ion battery. TheTravel Charger that is used to charge the battery, is included withyour device. Use only Samsung-approved batteries and chargers.Note: Long backlight settings, searching for service, vibrate mode, webbrowser use, and other variables may reduce the battery’s talk andstandby times.Although you can use the phone while the battery is charging,doing so will require additional charging time.Note: You must fully charge the battery before using your phone for the firsttime. A discharged battery recharges fully in approximately 4 hours.Using the Travel ChargerImportant!: Verify that the handset battery is installed prior to connection. Ifthe battery is not properly installed and the wall charger isconnected, the handset may power off and on continuously,preventing proper operation.1. Plug the flat end of the Travel Charger into the Power/Accessory Interface connector and the other end into astandard AC wall outlet.