Backups

How can I transfer my Data from Android to my iPhone/iPad?

How can I transfer my Data from macOS to my iPhone / iPad?

How can I transfer my Data from an iPhone/iPad to a Mac?

How can I transfer my Data to a new iOS Device?

How can I create Backups manually?

Where can I find my Backups on iOS?

How can I use my restored Data for the 'Secure Sync'?