how do I return screen size to normal? it has zoomed in during screen cleaning and I can't get it to return to normal!!

If your Home Screen icons are magnified on your iPhone, iPad or iPod touch

1. If you can't access Settings because your Home Screen icons are magnified, double-tap with three fingers on the display to zoom out.
2. To turn off Zoom: Go to Settings > Accessibility > Zoom. Tap to turn off Zoom.

If your Home Screen icons are magnified on ... - Apple Support

Cannot return to normal screen size.Too large screen

Hello~ Try tapping the screen twice with 3 fingers….does that help?

~Katana-San~