iPadOS 11.1.2 (build 15B202) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2017-11-16T21:18:07Z. The update package is 30.48 MB. This is a delta (partial) update that requires 11.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4bd433c0a63a760698f7ce7884a41f5a9195763f.zip.