That's pretty accurate. Some stuff is encrypted with the device passcode like Health data and Keychain data. Around iOS 9 [1], Apple implemented some functional

That's pretty accurate. Some stuff is encrypted with the device passcode like Health data and Keychain data. Around iOS 9 [1], Apple implemented some functionality to encrypt backups through a similar mechanism. This never panned out. 1) https://wccftech.com/ios-93-prompt-passcode-restoring-encrypted-icloud-backup/ https://wccftech.com/ios-93-prompt-passcode-restoring-encryp... Edit: as others have pointed out, looks like this never happened because the FBI said no.