Future of 4G in 5G Era

Started in early 2010s, first in Scandinavia and then in the US before reaching Asia and then the rest of the world, 4G technology became a foundational technology which the smartphone revolution was built and the infamous saying “there’s an app for that”. Photo sharing, video streaming, social media, e-commerce and other mobile applications became part of our daily routine thanks to 4G. But as the 5G era is upon us, is there any future left for 4G?