Point of order--this is an awesome guide and perfect for GrapheneOS users: darth-coin.github.io/beginner/bitcoiners-mobile-device-en.html
Things I miss: -NFC tap-to-pay (Curve Pay may come to the US soon and fix this) -Personal cloud redundancy (I have 2x backups of my NAS and still paranoid)
Painful migration points: -Flailing for 'replacement' apps--learning about FOSS options fixed a lot of this -Trading off convenience of certain apps--I've compromised here and have some google play stuff only in Private Space and keep it locked