iPadOS 9.9.11.2.6 (build 15D6100) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2018-02-19T21:08:44Z. The update package is 1.88 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: 20331918a604e43635c0ac85201bdc1cb447f834.zip.