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

本软件为ZX831，版本为B02。适用以ZX831大方蓝，本软件可用作升级，也可用烧录器写。解压密码为shijk-The software for the ZX831, version B02. To apply a generous ZX831 blue, this software can be used to upgrade, can also be used to write burner. Extract password shijkll

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 w