Originally Posted by
serpens
On my iPhone, if I go to Settings > General > About and then scroll down and touch Carrier, Carrier changes to IMS Status. Is this useful for anything in the context of IMS in this thread? (Right now, for IMS Settings, my iPhone says Voice & SMS. I'm in the iPhone's home country, USA, and do not have a second SIM active.)
That’s normal for the most recent iPhones.
Carrier Lock just above should have the status “No sim restrictions” to add a second sim. My son had to submit his duty orders to ATT to be able to add an esim .