BlackBerry smartphones are mobile devices that were popular in the early 2000s, known for their physical keyboards and secure email capabilities. They were widely used by business professionals for their efficient communication features and strong security measures, making them a preferred choice for corporate environments. Over time, BlackBerry faced stiff competition from touchscreen smartphones like the iPhone and Android devices. As a result, the company shifted its focus from hardware to software and services, although its legacy in mobile communication remains significant in the tech industry.