Settings Menu Is Different on Build 4174-48

On most Rokus that I have, the path to the screensaver is

Settings -> Theme -> Screensaver

I have one Roku TV with Software 12.5.5 Build 4174-48.  This has some significant differences.

Settings -> Wallpapers & screensavers

The wallpapers & screensavers area is quite unique and I am unable to set a screensaver that I have downloaded.  

I have included a screenshot