Very very very small dot on iPad pro
I have a dot smaller than 1 millimeter on my new iPad Pro it looks like this
iPad Pro, iPadOS 15
Question marked as
Make an appointment at the nearest Apple location to have your iPad evaluated for free.
Once the diagnostics are complete, the staff will explain your options.
Make a Genius Bar Reservation
Genius Bar Reservation and Apple Support Options - Apple
Or use this link to see if Apple can run remote diagnostics on your iPad: