In a public post on his website since locked, former Essential designer Kevin Hoffman has posted renders of two Essential PH-1 sequels that until now have never seen the light of day. The Essential PH-2 and Essential PH-3 provides a tantalizing glimpse of what might have been had Andy Rubin's company not gone under.
https://www.notebookcheck.net/Stillborn-Essential-Phone-PH-2-PH-3-renders-show-gorgeous-iPhone-like-design.458643.0.html