[commandnotfound]

Disabling the 3G network doesn't mean they are going to disable the older 2G networks that are widely used to make calls even if connected through LTE. Here (Czech Republic) the 3G network was disabled today and the phone part of my phone works even though VoLTE is not being used.

[simplyaccont]

2G networks are already down here. Operators won't activate phones that do not support VoLTE and sending emails for past year+ warning of shutdown of 3G network