iPadOS 11.0.1 (build 15A402) is an official Apple over-the-air update for the iPad Air (WiFi), released on 2017-09-26T17:03:19Z. The update package is 1.03 GB. This is a delta (partial) update that requires 10.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f0a819caa1b23968bb2e9409106477fb1e274d03.zip.