Basics15KeysKey FunctionPower • Press and hold to turn the device on or off.• Press to turn on or lock the screen.Recents • Tap to open the list of recent apps.• Tap and hold to launch the split screen view.Home• Press to turn on the screen while the screen is locked.• Press to return to the Home screen.• Press and hold to launch Google.Back • Tap to return to the previous screen.Volume • Press to adjust the device volume.The function of the keys may not be available depending on the region or serviceprovider.BatteryCharging the batteryCharge the battery before using it for the first time or when it has been unused for extendedperiods.Use only Samsung-approved chargers, batteries, and cables. Unapproved chargers orcables can cause the battery to explode or damage the device.Connecting the charger improperly may cause serious damage to the device. Anydamage caused by misuse is not covered by the warranty.To save energy, unplug the charger when not in use. The charger does not have apower switch, so you must unplug the charger from the electric socket when not inuse to avoid wasting power. The charger should remain close to the electric socketand easily accessible while charging.