This is enough to have your LTE network show up in the list of available networks on your phone. Of course, you won’t be able to connect to it yet — that’s where the SIM cards come into play.

There's a very good chance your phone has a SIM card right now, especially since CDMA networks have been almost completely supplanted by LTE networks. Those cards allow your phone to connect to ...

Vulnerabilities in LTE/5G core infrastructure, some remotely exploitable, could lead to persistent denial-of-service to entire cities.