iPadOS 11.2 (build 15C114) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2017-12-02T08:10:27Z. The update package is 355.97 MB. This is a delta (partial) update that requires 11.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f7306ade0928de63ce822a523538f6a01f6aaaad.zip.