iPadOS 9.9.11.1 (build 15B5066f) is an official Apple over-the-air update for the iPad 5 (Cellular), released on 2017-09-27T16:55:39Z. The update package is 1.71 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: 22dd1ac649389c91901d6d980fdda30511fc1b1b.zip.