For photo and video backups, I'm using auto-upload in the Nextcloud Android app together with my own Nextcloud instance. There are various Nextcloud apps like memories where you can get additional functionality for those photos that were synced over.
What I'm still desperately looking for is proper self-hosted full-phone backups for Android phones.
What I'm still desperately looking for is proper self-hosted full-phone backups for Android phones.