Within 1 year since the product is sold, if there is a performance problem, the problem should be confirmed by lockin or related technical testing personnel. For products that are not in the scope of "non-free maintenance" within the warranty period, consumers can get free repairs or replace faulty parts for services, lockin take one-way logistics costs. For products that fall under the "non-warranty period" or "non-free maintenance", consumers can choose the paid maintenance service for the product, and the labor costs, and logistics costs incurred by the maintenance It is borne by the customer.