iPadOS 11.0.3 (build 15A432) is an official Apple over-the-air update for the iPad Air (WiFi), released on 2017-10-11T17:02:19Z. 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: 52344d86fefd9de325987f3720d34754e282466d.zip.