Remember 3G? It's going away as AT&T, Verizon and T-Mobile shift to 5G. What to know about 3G shutdown

In 2002, Verizon was the first to launch a 3G network in the U.S., during a time when the BlackBerry was the top smartphone to own and we were five years away from the arrival of the iPhone.

source https://techxplore.com/news/2021-10-3g-att-verizon-t-mobile-shift.html