iPadOS 9.9.11.3.1 (build 15E6302) is an official Apple over-the-air update for the iPad Pro (10.5-inch, WiFi), released on 2018-04-24T17:04:14Z. The update package is 1.88 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: 73c1e1234c5a0c226a94ca3d5ed1e56615363857.zip.