Installing default font from "Font Installer" app only changes partially. How to apply it globally?
You will have to find someone with the same phone as you (rooted) and find the font files and send them to yourself and copy them into the location of your font files and do a reboot. Worked for me. Or you can find a dump for your phone and download those files and find the font in there and place those into your font files. (Friend did that and it worked as well. I have warned people not to download that app as it ruins the font settings.