Samsung One UI is a user interface developed by Samsung Electronics for its smartphones and tablets. It is designed to provide a more intuitive and user-friendly experience, focusing on ease of use and accessibility. One UI features a clean layout, larger touch targets, and a dark mode option, making it easier for users to navigate their devices. The interface is built on top of the Android operating system and includes various customization options, allowing users to personalize their devices. One UI also integrates features like Samsung DeX for a desktop-like experience and enhanced multitasking capabilities, improving overall productivity.