A mobile communication device is prepared as storing preset network setting data and mode in man-machine interface module, connecting information module (IM) to man-machine interface module for broadcasting information, connecting network connection state detection module (NCSDM) to IM for detecting network signal and for generating network connection state information being sent to IM, connecting network setting module (NSM) to IM for setting network automatically, connecting configuration module with IM and NSM as well as NCSDM for downloading configuration setting file of each straum and for combining them together after said network is set. |