MIUI is a custom user interface developed by Xiaomi for its smartphones and tablets. Based on the Android operating system, MIUI offers a unique design and a variety of features that enhance user experience. It includes customizable themes, a built-in app store, and various tools for optimizing device performance. MIUI is regularly updated, providing users with new features and security improvements. The interface is known for its smooth performance and user-friendly layout, making it popular among Xiaomi device users. Additionally, MIUI supports a wide range of devices, ensuring a consistent experience across different models.