Originally Posted by
BigFlyer
Because not everyone is as careful or adept as you are. Even if you turn off data roaming, you will still get incoming phone calls on your home SIM. Having said that, my experience is with Android where you can turn a SIM off entirely. My overriding point is removing the home SIM makes it impossible to accidentally roam, so why not remove it?
I never experienced your scenario with my iPhone. I use the local sim to send and receive WiFi calls and texts for my domestic sim with no roaming charges? Does your Android phone have this option?
My work Pixel is supposed to have this capability but it doesn’t always work.