have an iPhone 11pro. tuned on zoom to see what it does and now fonts are so big I can not go back or cancel the zoom

Press and release the Volume Up button

Press and release the Volume Down button

Press and continue to hold the Side button for 20-25 seconds until the Apple logo appears, then release the Side button. Ignore the screen with the slider to turn off the phone

Double tap your iPhone screen with three fingers to un-zoom your screen.

Asking Siri, “hey siri … turn off zoom”