iPadOS 9.9.11.3.1 (build 15E6302) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2018-04-24T17:04:12Z. The update package is 1.74 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: aad7a95a36e3b892a65c86d1bd067d6a330f6fb1.zip.