iPadOS 11.1.2 (build 15B202) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2017-11-16T21:18:23Z. The update package is 164.23 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: 8dab7bed87f6969d32a2776bf1467d77e35d8e5e.zip.