iPadOS 9.0 (build 13A4325c) is an official Apple over-the-air update for the iPad Air (Cellular), released on 2015-08-06T18:44:15Z. The update package is 458.6 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: a47eb76646d5a98753e3710ab21a8112b541c12f.zip.