I'm on LineageOS and use the included backup with Nextcloud. Relatively painless to configure, works quite well. I also use Nextcloud for photos/videos sync, so

I'm on LineageOS and use the included backup with Nextcloud. Relatively painless to configure, works quite well. I also use Nextcloud for photos/videos sync, so in theory I can loose/break my phone and restore everything back on a new one.