iPadOS 9.9.11.0.2 (build 15A421) is an official Apple over-the-air update for the iPad Air (WiFi), released on 2017-10-03T16:59:46Z. The update package is 1.19 GB. This is a delta (partial) update that requires 9.3.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c8037bd7df7e886eb0e1d3d665be15e234e62439.zip.