I got the same message. Changed my phone and I am still getting the same message. I even checked the IMEI and it says its VoLTE compatible. I had the Samsung S20+ before which the IMEI says its not compatible. I have the Samsung S20FE now and th...
I got the same message. But I am wondering if its because I cannot call out on 4g. If you go to about phone and tap status information/sim card status you can see what speed you are currently connected to. Verify if that changes when you make a ca...