4 Assemble Your DeviceGetting StartedAssemble Your DeviceThis section helps you toassemble your device.Install an Optional Memory CardYou can install an optional microSD or microSDHCmemory card (not included) to expand availablememory space.Note: A memory card can be installed at any time; itis not necessary to install it prior to using the device.For more information on installing a memory card,see Install a Memory Card.Charge the BatteryYour device is powered by a rechargeable, standardLi-Ion battery. A Wall/USB Charger (charging headand USB cable) is included with the device forcharging the battery.The battery comes partially charged. A fullydischarged battery requires up to four hours ofcharge time. You can use the device while charging.Caution: Use only Samsung-approved chargingdevices and batteries. Samsung accessories aredesigned to maximize battery life. Using otheraccessories may invalidate your warranty and maycause damage.1. Insert the USB cable into the port.2. Connect the USB cable to the charging head,then plug the charging head into a standardAC power outlet.3. When charging is complete, unplug the charginghead from the power outlet and remove the USBcable from the device.Caution: Failure to unplug the wall charger before youremove the battery can cause damage to the device.