Before revision:  We design an intelligent system to help IoT device manufacturers to take advantage of customers' data and build a machine learning model to predict customers' requirements and possible consumption behaviours with federated learning (FL) technology.
After revision:  We design an intelligent system to help IoT device manufacturers to take advantage of customers' data and build a machine learning model based on customers' data. Then, manufacturers can predict customers' requirements and possible consumption behaviours with federated learning (FL) technology.