iPadOS 9.9.17.5.1 (build 21F6090) is an official Apple over-the-air update for the iPad Pro (12.9-inch, WiFi) (6th generation), released on 2024-05-20T17:22:16Z. The update package is 5.7 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: 7dc99b261739be202025393ae4e3ad8ad7c1bd0f.zip.