本软件为ZX831，也是大白的，版本是A03,适用以ZX831，可用作升级软件，也可用烧录器写程序，包含升级工具。解压密码为shijk-The software for the ZX831, is white, the version is A03, is applying the ZX831, can be used to upgrade software and burner can also be used to write programs, including the upgrade tool. Extract password shijkll