iPadOS 11.0.2 (build 15A421) is an official Apple over-the-air update for the iPad Air (WiFi), released on 2017-10-03T16:59:51Z. The update package is 1 GB. This is a delta (partial) update that requires 10.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a7289285d000f5e427176ffd989acde4b1f1d71d.zip.