Elsewhere in this very thread I talk about how we need a modern solution for full true image backup for phones; I'm also an example of somebody who could use it, as I have phones where if I was to back up and wipe them I would lose the ability to use some extremely expensive old thermal cameras that work by attaching to them, - if I wiped and reinstalled, even having the apps, they require reaching out to servers for initial authentication that no longer exists. A full image backup would solve this.

Rooting is now far more difficult unfortunately, and isn't even available mostly; but I don't see a real method to do a full proper image backup of phones today.