Samsung
If you have a Samsung smartphone, you can follow these steps to change the font. Open Settings app then go to Display & Font Size & Font Style Now tap on ‘Font Style’ option. You can now choose from a variety of font styles or download additional fonts from the Galaxy Store.
Xiaomi, Redmi, Poco
Go into the Themes app, go to the Profile option at the bottom right. Tap on ‘Fonts’. Now tap on the font you want to change. If you want to download new fonts, now go to the Themes app, tap on the Fonts tab at the bottom right. Select the font you want to download and click on the ‘Download’ option. then click on apply
Vivo
First go to the Themes app. Tap Font in the upper center. Tap on the font style you want to apply. After that apply the font. It is possible that you will also be asked to pay some money for the same.
one plus
Open the Settings app. Go to Personalize. Then tap on Font and Display Size. Now, tap on the “More” option other than Roboto and OnePlus Sans. Choose a font and apply it or tap “Free Trial”. It is valid for 5 minutes.