iPadOS 9.9.11.2 (build 15C114) is an official Apple over-the-air update for the iPad Air (WiFi), released on 2017-12-02T08:06:21Z. The update package is 1.31 GB. This is a delta (partial) update that requires 9.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: da5b9d5f2d7b8e42ac7dcdc9f550fdbba1ead3b0.zip.