2G and 3G network support is going away in the next few years. So, if you have a feature phone that only runs over 2G and 3G, it will soon be bricked.
Also, 5G networks rely on beam shaping to deliver higher speeds. This also has the effect of allowing carriers to precisely identify where your phone is at all times.
Also, 5G networks rely on beam shaping to deliver higher speeds. This also has the effect of allowing carriers to precisely identify where your phone is at all times.

