iPadOS 9.9.11.1.1 (build 15B6150) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2017-11-09T18:03:05Z. The update package is 1.73 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: a1807e1d5725b06b494f2cdadf1b4e2619516b4d.zip.