Will a 3G phone work on a 5G system?

Switch between 2G/3G/4G/5G – Samsung Android

All of the major US 3G networks are scheduled to shut down in 2022 . Whether you’re with AT&T, T-Mobile, or Verizon, this may affect your phone, your home alarm system, or even your car.28 Şub 2022

Not only will 3G cell phones not operate on the 5G system , even for emergency 911 calls, but this phase-out will also impact some car GPS navigation programs; some security systems; and even some emergency medical alert devices used by older Americans.

Most phones 7 years old or older, which includes the iPhone 5 and iPhone 5S. There is a list here of all phones that will continue working on the AT&T 4G network. Some phones, such as the iPhone 12 and up will also work on the 5G networks .