iPadOS 9.9.13.3.1 (build 17D5044a) is an official Apple over-the-air update for the iPad Pro 9.7-inch (WiFi), released on 2020-01-14T18:20:39Z. The update package is 2.64 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: 31e7650c0d0087c69133d84f890ced23f874cd77.zip.