Exploring-current wireless connectivity challenges for mobile devices (5G, sub-6GHz, mmwave, WiFi, UWB). Considering how future applications are driving the need for more speed, lower power and latency, as well as highly reliable connectivity. Smart mobile device connectivity in FR3 (8-20GHz) band and using WiFi 7/8. Assessing architecture, target performance, hardware and semiconductor technologies. Trends in future smart mobile devices including; mmwave connectivity lessons learnt, new usage scenarios, emerging bands, architecture and technologies.