Foldable smartphones are a category of mobile devices featuring flexible display technology that allows the screen to bend or fold, enabling a larger viewing area while maintaining portability. Introduced commercially in the late 2010s, they combine the functionality of tablets and phones in one device. Manufacturers such as Samsung, Huawei, and Motorola have pioneered models, and the segment is seen as a premium innovation in the smartphone market, influencing design trends and consumer preferences.