iPadOS 9.9.13.7 (build 17H6035) is an official Apple over-the-air update for the iPad Pro 4 (12.9-inch, Cellular), released on 2020-09-01T17:20:02Z. The update package is 3.24 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: 97e910e9733aa26ae0c685a1b8468459c739296a.zip.