iPadOS 11.1.2 (build 15B202) is an official Apple over-the-air update for the iPad Air (Cellular), released on 2017-11-16T21:14:48Z. The update package is 36.39 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: c72ec0eb662b7442b8541aba9ffef20f1e429ae4.zip.