(not OP but been on Grapheneos for a couple of years). I don't. I transfer any important data like photos to a real computer weekly Mail, Calendar and Contact

(not OP but been on Grapheneos for a couple of years). I don't. I transfer any important data like photos to a real computer weekly Mail, Calendar and Contacts are handled by IMAP and DavX. Passwords are in 1Password I have minimal apps so setting up a new device wouldn't be too much trouble