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 1.03 GB. This is a delta (partial) update that requires 10.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ac2ea61db5697cc2dc9c6af9c762bffab519ae90.zip.