Eject it using the SIM card removal tool and carefully reposition it in its tray. Be careful when inserting it back into your device. Once you’re done, your LTE connection should be back to normal.

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 ...