You will find Photo, Video, Audio, Messages, Contacts, Call History, Voicemail, Notes, Calendar and more. The file system employs file-based encryption with separate, unique encryption keys for every file.
In the iPhone, almost every user file is stored encrypted. While users expect the ability to recover deleted files of any kind, this is not the case.
The “deleted data” The “deleted data recovery” claim is the most ambiguous.
