Changing the Font Size on any of the Nokia device is quire simple.
Just goto the settings option> Display> Font Size.
Here you can increase or decrease the font size.
In the meantime,do not forget to find all the detailed specifications and other updates regarding Nokia 105 2019 here.
Nokia 105 is a Budget Friendly Device.
It is technically not a Smartphone and does not come with the support for Internet Connectivity.
The device comes with support for 2G bands.
Also, do not forget to find all the detailed specifications and other latest updates related to Nokia 105 2019 here