A flagship smartphone is a high-end mobile device that showcases the best features, performance and technology offered by a particular manufacturer. It's often marketed as the top model in a company's product lineup and typically sets the standard for design, hardware capabilities, software functionality, and user experience. Flagship smartphones are usually priced at the higher end of the spectrum but offer cutting-edge features such as high resolution displays, powerful processors, advanced camera systems, long battery life, and other innovative technologies that make them stand out among competitors. These devices often serve as a showcase for new technology and help to establish a company's reputation in the smartphone market.