No idea, I've never used one. But I don't think it would be required either. But on those there are some particularly excellent custom ROM offerings, like Caly

No idea, I've never used one. But I don't think it would be required either. But on those there are some particularly excellent custom ROM offerings, like CalyxOS and GrapheneOS. I was thinking of buying a pixel 4a just for that purpose yesterday with the google day discount but in the end I cancelled it :) As I already have a decent phone.