iPad Pro folio keyboard connection issue - best ways to clean contacts?
Try using a pencil rubber to clean the connections on both the iPad and the folio (might fluff up the cover a bit). You could also add a tiny dab of electrical lubricant. Mine also seems to be having a buffering issue (giving a delayed response), even after the clean - so perhaps that is unrelated (I have plenty of free disk space though)
iPad Pro, iPadOS 16