Primal has worked great for me (GrapheneOS). I'm happy with it.
Discussion
I'm considering switching to graphene but I'm worried that some apps like banks don't really work. Is it safe to just switch or should I just buy a backup for "spyware"?
I bought a second phone and tried to take a fairly strict approach to privacy and am very picky about what apps I install. And, no GSF. So, not sure about banking apps and such.
I love it but I also am a hobbiest. Not saying this is you, but for example, I suspect someone looking for an iOS drop-in with equivalent UX would be disappointed.
Should be fine. I'm a low-level-shell-linux guy