iPadOS 9.9.13.1 (build 17A5821e) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2019-08-27T17:28:16Z. The update package is 2.69 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: 20d240d86cf1948f6cc3d356fea91e6362a7064f.zip.