Smartphone design involves the creation and arrangement of a mobile device's physical and software features. Key elements include the size, shape, and materials used for the body, as well as the layout of buttons and ports. Designers also focus on the display, ensuring it is user-friendly and visually appealing, often using technologies like OLED or LCD. Additionally, smartphone design encompasses the user interface (UI) and user experience (UX). This includes how users interact with the device through touchscreens and apps. Designers aim to create intuitive navigation and attractive visuals, often inspired by trends in technology and consumer preferences.