iPadOS 9.9.17.1 (build 21B74) is an official Apple over-the-air update for the iPad Pro (12.9-inch, WiFi) (5th generation), released on 2023-10-25T17:24:23Z. The update package is 5.62 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: 0aedfbf647c286b22e57fde4d6058aa759053014.zip.