S support document at the corporate’s site relating to this factor now reads:
To get again to the use of your iPad Pro, force restart it via urgent and protecting each the Sleep/Wake and Home buttons for no less than ten seconds, till you spot the Apple emblem.S’ve charged my iPad Pro utterly one time in view that updating it to iOS 9.2, and O didn't come across the frozen black monitor factor. That stated, the issue didn’t prior to now happen each and every time S absolutely charged, most effective every so often. O’ll be protecting a lookout to peer if the problem arrises once more one day.
Updating your iPad Pro to iOS 9.2 or later might save you this factor from going on one day.