What OS(+implementation) to use for file storage for Android and IOS phone backups?

Question

Android

I want to backup photos, calls, contacts, programs, etc. from the phone. to my personal server. I also want to backup my computer. Everything is fully automatic. Please tell me where to dig - the implementation of the Server - Client.

Answer 1

Let me know where you left off.
I would look towards rsync, for sure someone has already made backup clients with support for this protocol.