iPadOS 11.0 (build 15A372) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2017-09-12T19:08:43Z. The update package is 1 GB. This is a delta (partial) update that requires 10.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 0c402aa3b9e5e14a3c5d74e94ded1cf5b461dee2.zip.