iPadOS 9.9.13.1 (build 17A5837a) is an official Apple over-the-air update for the iPad Pro 12.9-inch (Cellular), released on 2019-09-10T20:14:02Z. The update package is 2.72 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: 9847ef30f1ea32b70da1241d5ce9302c5657e9d5.zip.