How do i make the writing bigger when i recieve texts on a samsung phone?

I have a touch screen samsung phone, and i dropped in down the toilet. I took out all the parts and put it on a radiator, and it's all fine, kindof, except when i recieve texts, the writing is really small. Does anyone know how i can fix this?How do i make the writing bigger when i recieve texts on a samsung phone?On the message, press the volume rocker (+) in, and it'll enlarge the text. :)How do i make the writing bigger when i recieve texts on a samsung phone?i think you should go to setting and it should say font,,,,, then increase