iPadOS 9.9.11.3.1 (build 15E6302) is an official Apple over-the-air update for the iPad Pro 12.9-inch (Cellular), released on 2018-04-24T17:04:12Z. The update package is 1.79 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: 556ca421d735e5814a17bc37a2f853bb99041e47.zip.