The article discusses Huawei’s efforts to promote its in-house Harmony operating system (OS) as a viable alternative to Android, which the company has been cut off from due to US sanctions. Huawei has been investing heavily in Harmony OS, with the aim of reducing its reliance on American technology. The OS has seen significant growth, with over 300 million devices now running on it, including smartphones, tablets, and other smart devices. However, the article notes that Harmony OS still faces challenges in gaining widespread adoption, particularly in the smartphone market, where Android and iOS dominate. Huawei is also exploring opportunities for Harmony OS in areas such as the Internet of Things (IoT) and industrial applications. Despite the challenges posed by US sanctions, Huawei remains committed to developing its own technology ecosystem and reducing its dependence on foreign suppliers.