1. Off-shelf or stop supporting: The application has been off-shelf or no longer supported by the developer, which is caused by business decisions, technical problems, regulatory changes or other factors.

2. Geographical restriction: the application is only provided in a specific region, and the region is not within the scope of support, so it is impossible to access or download the application. Xiaomi is a technology company in China, headquartered in Beijing. Founded on 20 10, it is mainly devoted to developing and selling smart phones, smart home devices, electronic products and internet services. Xiaomi is famous for providing cost-effective products, mainly selling products through online sales and direct physical store channels.