Touchscreen frequently non-responsive. Anywhere on screen - with or without pencil Never damaged
already tried: reset many times - usually helps for a few seconds.
iPad Pro 12.9-inch, 2nd Gen, Wi-Fi, Cell
Sorry, not a fix, but here is a discussion thread from many contributors that are suffering similar syptoms:
https://discussions.apple.com/thread/8396370?answerId=34214121022&page=1
The discussion runs to over six pages - with over 200 other people indicating that they too suffer from unresponsive screens.