The 3G network is being shut off in the US – and your phone might be, too. Many devices that are not able to make use of the replacement signals will become useless after the switch-off happens. AT&T ...

Although wireless standards like 3G, 4G, and 5G are mostly associated with mobile internet, they also include a phone (voice) component. Up till 4G this was done using traditional circuit-switched ...

The switch off is most likely to be an issue for users of older mobile devices and Sim cards that can't connect to newer 4G or 5G networks. It means that if you have a phone or Sim that only supports ...