斐讯R1本地升级工具包

代码说明：

说明：  斐讯因为停止服务了 致使斐讯r1音箱不能升级 使用这个软件就可以把斐讯r1音箱升级成最新版本3448，这个版本的音质有了很大的提升(Because the service of fisun stopped, fisun R1 speaker could not be upgraded. With this software, fisun R1 speaker can be upgraded to the latest version 3448. The sound quality of this version has been greatly improved)