Using the new firmware, I am not able to change the fonts.
The procedure is the same described in this post:
https://www.mobileread.com/forums/sho...postcount=1618
the directory is the same ?
i..e put the directory Beta in the root and a user.config file pointing to the css as:
config.userCSSFile = "userStyle.css";
config.userCSSPath = "/Data/epub/";