iPadOS 9.9.12.3 (build 16F156) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2019-05-13T17:07:55Z. The update package is 2.33 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: 81f89238ee354788309cd35328fff9236c1eb208.zip.