I have the Z3 compact. Google no longer supports it, as in Play Store just disappeared last year, or maybe before. I would install LineageOS, but it looks lik

I have the Z3 compact. Google no longer supports it, as in Play Store just disappeared last year, or maybe before. I would install LineageOS, but it looks like a pain to install without wiping secure keys or whatever, and I'm worried my banking app (which still works) won't on the new OS.