Directly find the brand after-sales maintenance point for maintenance. Online shopping in JD.COM, as long as a formal invoice is issued, enjoys the same three-guarantee policy as buying in a physical store. Online stores only provide sales services, and maintenance points are the same as physical stores. Check the cause of the damage at the maintenance point, and the quality problem can be repaired or replaced free of charge. Man-made faults can only be repaired at his own expense.