Goodbye 3G. AT&T on Tuesday became the first telecom to hang up on its old 3G, third generation, mobile broadband network. It’s a move years in the works, but one that could leave people with older phones, cars, medical monitoring devices and home security systems in a state of disconnect.

Understand: 5G technology and where its headed5G networks are still being build across the country, Fowler said. Unless your smart phone is compatible with 5G, youll need a new one to take advantage of the new, faster technology. Phones that support 5G include the U.S. versions of Samsungs newest flagship phones, the Galaxy S20, S20 Plus, and S20 Ultra. LG, Motorola and Oneplus also offer 5G models. The company hasnt officially announced plans for a 5G phone, although industry experts say they expect it in October.