Smartphones are advanced mobile devices that combine the functionality of a mobile phone with that of a handheld computer. They typically feature a touchscreen interface, internet connectivity, and the ability to run a wide range of applications (apps). Smartphones enable users to send and receive calls and messages, access the internet, use social media, and utilize various software applications for tasks such as navigation, photography, gaming, and productivity. They often come equipped with high-quality cameras, GPS, various sensors, and robust hardware to support multitasking and high-performance tasks. The operating systems most commonly associated with smartphones include Android and iOS, which provide the environment for app development and user interaction. The integration of communication, computing, and multimedia capabilities makes smartphones a central part of modern life for many people.