If you encounter any problems after receiving the product or in the process of using it, please contact our after-sales customer service department, we will serve you wholeheartedly!
What should I do if the purchased lcd tablet cannot be removed?
You should first check if the screen lock button is turned on. If you have already locked the screen, cancel the lock screen and press the clear button. If it still can't be removed, it is recommended to replace the battery. If the problem has not been solved, please contact our after-sales service department, call the above service or call us.
Why the led writing board can not adjust the color?
Hello! After the led writing board is energized, it can be adjusted by pressing the controller. Remove the controller's battery insulation sheet and align it with the controller for adjustment.
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