"Advanced data protection is really just protecting the data on the servers, and that’s it. But in this case, Lockdown Mode is just locking down the potential ways malware can get into your phone, including, as it turns out, hardware accessory connections," @huertanix told HuffPost. https://www.huffpost.com/entry/apple-lockdown-mode-protect-privacy-fbi_l_6983893ae4b053ac3e16fc3d