iPadOS 11.1.2 (build 15B202) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2017-11-16T21:18:00Z. The update package is 1.08 GB. This is a delta (partial) update that requires 10.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 739cdf8544fecf87d2a8e3346044c187067bda4f.zip.