iPadOS 9.9.11.4 (build 15F79) is an official Apple over-the-air update for the iPad Air (Cellular), released on 2018-05-29T17:13:06Z. The update package is 1.34 GB. This is a delta (partial) update that requires 9.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9e0ce213f16724e46dcc794ae2804645fbe81601.zip.