Emoji symbol doesn’t work after the latest update released

You are still zoomed.

Try this force restart procedure.

1. Press and quickly release the volume up button.
2. Press and quickly release the volume down button.
3. Press and hold the side button until you see the Apple logo.

Please be certain Settings > Accessibility > Zoom is set as follows:

Have you set:

Settings > Display & Brightness > Display Zoom = "Default"?

You should.