Mobile communication device and method for downloading configuration files thereof and wireless communication system

A mobile communication device is provided. The mobile communication device includes a Man-Machine Interface (MMI) module, a network connection detecting module, a message module, a network setting module, and a provision module. The MMI module is used for saving preset network setting data and network setting modes. The message module is connected to the MMI module, and is used for broadcasting messages. The network connection detecting module is connected to the message module, and is used for detecting network signals, generating network connection status messages and sending the network connection status massages to the message module. The network setting module is connected to the message module, and is used for automatically setting networks. The provision module, connected to the message module, the network setting module and the network connection detecting module, is used for downloading configuration files of different levels and combining the configuration files, after the network setting of the mob