Core Viewpoint - The article discusses the issues faced by users after upgrading to Huawei's HarmonyOS 5.1, highlighting compatibility problems with mainstream applications and the challenges of the new operating system architecture [3][5]. Group 1: User Experience Issues - A user reported three major problems after upgrading to HarmonyOS 5.1: desktop software became unusable, key features in apps like WeChat and Douyin were missing, and the inability to uninstall the new OS led to data loss during a system rollback [5]. - The upgrade process involved replacing the previous HarmonyOS 4.3 with a completely new version, which caused compatibility issues with existing applications [5]. Group 2: Technical Insights - Huawei's customer service indicated that HarmonyOS 5 is fully self-developed and no longer based on Android, necessitating a redesign of applications for compatibility [5]. - Although 80% of application functionalities have been restored, some features are still under development, particularly for content creators, who are advised against upgrading to HarmonyOS 5.1 at this time [5].

文｜《 BUG 》栏目 周文猛 近日，有自称华为老粉的博主王晓东在社交媒体吐槽华为鸿蒙 5.1 系统，称自己从鸿蒙 4.3 升级至鸿蒙 5.1 后遭遇微信、抖音等主流应用无法"完全兼容适配"，部分功能无法正 常使用，在亲自跑到华为售后门店"刷机"回退此前版本后，却也浪费了大量时间，且遭 遇"部分数据丢失"。 该内容被大量转发并引发消费者共鸣，大量用户自称被鸿蒙 5 系统"逼疯了""坑死了"。 对此，华为消费者热线工程人员对《 BUG 》栏目透露，由于鸿蒙 5 操作系统全面自研， 不再基于安卓系统开发，这导致其上的各类应用均需进行重新设计开发。虽然，目前大部分 软件"已上线 80% 的功能"，但仍有部分功能还在开发适配中，视频创作者等群体"暂不建 议升级至鸿蒙 5.1 "。 升级者遭遇"灾难性"故障 据王晓东自述，在升级鸿蒙 5.1 版本后，自己遭遇了三个"灾难性"的问题。 第一，更新升级后，此前的桌面软件全部乱套了，都不能用了，都要重新安装重新登录。 第二，微信视频号和抖音不能正常使用， App 打开后很多功能按钮消失不见，对于视频内 容创作者和经营者而言，什么都干不了，基本不能用了。 第三，新装的鸿蒙 5 ...