Your phone may prompt a reboot to apply the font system-wide.

If you have a Camphor Pro .ttf file :

If this were an formal analysis, the conclusion would be that Camphor Pro

The "Regular" variant is optimized for system-wide use, from notification toggles to deep-menu settings. How to Install Camphor Pro on Your Xiaomi Device

Tap the icon (often represented by a 'T' or a magnifying glass). Search for "Camphor Pro" in the search bar. Select the font and tap Free or Download .