iPadOS 11.1.2 (build 15B202) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2017-11-16T21:18:19Z. The update package is 1.08 GB. This is a delta (partial) update that requires 10.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: dcc34826e4353d7db49079fd214bd15d5e24eab8.zip.