iPadOS 9.9.10.1 (build 14B55c) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2016-09-21T16:58:43Z. The update package is 1.63 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 6485ef53fb3c202f0f130aab179756ca1e9b800d.zip.