iPadOS 11.2 (build 15C114) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2017-12-02T08:10:26Z. The update package is 526.75 MB. This is a delta (partial) update that requires 11.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: afe79c7c71167b9b2b95f37e77f0bc498638d5bf.zip.