iPadOS 9.0.1 (build 13A404) is an official Apple over-the-air update for the iPad Air (Cellular), released on 2015-09-23T17:55:18Z. The update package is 31.34 MB. This is a delta (partial) update that requires 9.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 00c3d6151cf96d9e50362d1798d34f024e80c03e.zip.