

In my case it’s because I can’t get hardware that supports it without paying a fortune for importing. The other option is ancient hardware that most likely has a cooked battery that I’d have to hunt for in a used market.
Then there’s the lack of VoLTE support on a lot of models which is becoming a non-starter as carriers are taking down the 3G towers.
That’s before I’ve even gotten to try the software which I’m not hearing great things about.
It’s not popular because it’s an enthusiast niche at best. Linux mobile needs more time in the oven before it’s ready, by my measurement another couple of decades.
I did, it’s a buggy undercooked mess that doesn’t work half the time. The app that’s officially supported is missing half the features. Trying to get people to switch to it is like pulling teeth as the onboarding process in overly complicated for the average user.
Meanwhile Signal works right out of the box with very little fuss.