Looking for how you can change or customize font style and font size in Vivo Y17? Here is the tutorial that explains how to change font size and font style in your Vivo Y17 smartphone. Go to settings and click on display and brightness. Now you have the option to choose font style where you should download more styles from internet. You should have active data connection for this. After downloading the selected font size, just click on apply Button to activate the style. For changing font size, just select font size option between small to huge under display and brightness. Now you can just move the size on the scale given. You can move from small font size to huge font size. That's all the settings of font size and font style in Vivo Y17 smartphone.