The team behind GrapheneOS want it to be really secure so they have specific requirements that the phones from Fairphone sadly doesn’t meet.

For a phone to meet all of these requirements AND still being everything that a Fairphone is would make the phone more expensive than the average consumer would be willing to pay. I know several enthusiasts (me included) that would pay for one, but there are simply just to few of us.

😎 Debian 😎

eCall, alarm systems, elevators and many types of sensors.

2G should die though. You can use the frequencies for 4G/5G to get better reception.

And if the thing depending on 2G has the space for it (like a car or an elevator) then the thing can be upgraded with hardware that supports 4G/5G.

…Unless the manufacturer is a dick and wants you to buy a whole new thing. I suspect that this will happen a lot.