Connecting the USB cable improperly may cause serious damage to the device or USB power adapter. Any damage caused by misuse is not covered by the warranty.
2. Plug the USB power adapter into a power outlet.
While the device is charging, the touch screen may not function due to an unstable power supply. If this happens, unplug the USB power adapter from the power outlet or unplug the USB cable from the device.
3.When the battery is fully charged, first unplug the USB power adapter and USB cable from the device and then from the power outlet.
Unplug the USB power adapter when not in use to save energy. The USB power adapter does not have a power switch, so it must be unplugged from the outlet to interrupt the power supply.
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