Basics12Connecting the charger improperly may cause serious damage to the device. Anydamage caused by misuse is not covered by the warranty.• The device can be used while it is charging, but it may take longer to fully chargethe battery.• If the device receives an unstable power supply while charging, the touchscreenmay not function. If this happens, unplug the charger from the device.• While charging, the device and the charger may heat up. This is normal and shouldnot affect the device’s lifespan or performance. If the battery gets hotter than usual,the charger may stop charging.• If the device is not charging properly, take the device and the charger to aSamsung Service Centre.After fully charging, disconnect the device from the charger. First unplug the charger from thedevice, and then unplug it from the electric socket.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.Reducing the battery consumptionYour device provides various options that help you conserve battery power.• Optimise the device using the Smart manager.• When you are not using the device, switch to sleep mode by pressing the Power key.• Activate power saving mode.• Close unnecessary apps.• Deactivate the Bluetooth feature when not in use.• Deactivate the Wi-Fi feature when not in use.• Deactivate auto-syncing of apps.• Decrease the backlight time.• Decrease the screen brightness.