Assembling19Charge the batteryBefore using the device for the first time or when the batteryhas been unused for an extended period, you must chargethe battery. You can charge the battery with a travel adapteror by connecting the device to a computer with a USB cable.Use only Samsung-approved chargers and cables.Unapproved chargers or cables may cause batteries toexplode or damage your device.● When your battery is low, the device will emit awarning tone and show a low battery message.Recharge your battery to continue using your device.● If the battery is completely discharged, you cannotturn on the device, even with the travel adapterconnected. Allow a depleted battery to charge for awhile before you try to turn on the device.● If you use multiple applications at once, networkapplications, or applications that need a connectionto another device, the battery will drain quickly. Toavoid disconnecting from the network or losingpower during a data transfer, always use theseapplications after fully charging the battery.