The modern smartphone is a technological powerhouse. While some legacy technologies fade away, others emerge to take their place. This report lists the past and future of 80 technologies from 2K Display to Wireless Charging covering the years 2008 to 2023 for handsets and smartphones. This extensive report can be used by component manufacturers, handset vendors, operators, vehicle makers and developers to identify or prioritize the most popular features penetrating billions of mobile devices worldwide.