After T - Mobile officially shut down its GSM network in February 2024, 2G networks have also been completely phased out in the US. Since then, there are no longer 2G and 3G networks in the US, only 4G and 5G networks. 4G, 5G and soon 6G are the next evolution of cellular networks and offer optimised options including faster. Cellular networks are changing, and carriers have been actively sunsetting 2G and 3G networks for several years. This leads to many concerns and questions from businesses, governments and industries with deployed devices based on older networks. For years, newer technologies.