iPadOS 11.2 (build 15C114) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2017-12-02T08:10:46Z. The update package is 526.7 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: 0422cac72d3c4bd63e0b2aa93488f59a90dba5af.zip.