Several websites are reporting that 9.7 iPad Pro owners who have tried to update to the latest iOS operating system are having an error message and their iPads can’t be used. MacWorld has published an article here about this issue. The problem seems to be limited to certain brand-new 9.7-inch iPad Pros.
So, if you have a new iPad Pro 9.7 inch version, you may want to wait a little longer before updating.
iPad Notebook 