iPadOS 11.2 (build 15C114) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2017-12-02T08:10:45Z. The update package is 1.04 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: 4499f5b5c77f28dbc36cbd688bf1d914f31252b8.zip.