Customizing font size allows you to tailor it to your needs.
Here's how to adjust font size on Mobiistar Zumbo J2:
Step 1: Go to 'Settings' and select 'Display.'

Select 'Display'.
Step 2: Choose 'Font Size'.

Choose 'Font Size'.
Step 3: Adjust according to your preference.

Adjust to your preference.
Thus, your setup process is complete. Wishing you success.