Planned for zap.store: automatic backups of your installed apps, optionally encrypted.

So maybe not the phone config, but apps and contacts definitely  possible to restore with npub/nsec.

Baby steps. First major release coming next week.

nostr:note18tp3qvuzelnndlvp5ll4z7lq008vhfut6y53e0skc44p7cldr6dsmpurlp