本软件为ZX831，版本为B03.适用以正先ZX831大方蓝。可用作升级软件，也可用作主程序，用烧录器写。解压密码为shijk-The software for the ZX831, version B03. To apply a generous ZX831 was the first blue. Can be used to upgrade the software, but also can be used as the main program, with the burner to write. Extract password shijkll