Basics15• Using a power source other than the charger, such as a computer, may result in a slowercharging speed due to a lower electric current.• The device can be used while it is charging, but it may take longer to fully charge thebattery.• If the device receives an unstable power supply while charging, the touchscreen may notfunction. If this happens, unplug the charger from the device.• While charging, the device and the charger may heat up. This is normal and should notaffect the device’s lifespan or performance. If the battery gets hotter than usual, thecharger may stop charging.• If you charge the device while the multipurpose jack is wet, the device may be damaged.Thoroughly dry the multipurpose jack before charging the device.• If the device is not charging properly, take the device and the charger to a SamsungService Centre.Fast chargingThe device has a built-in fast charging feature. You can charge the battery more quickly whilethe device or its screen is turned off.About Fast charging• Fast charging uses battery charging technology that charges the battery faster byincreasing the charging power. The device supports Samsung’s Adaptive fast chargingfeature and Qualcomm Quick Charge 2.0.• To use Fast charging on your device, connect it to a battery charger that supportsAdaptive fast charging or Quick Charge 2.0.