iPadOS 11.2.6 (build 15D100) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2018-02-19T21:12:06Z. The update package is 490.8 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: c936b33bd548aabdeb4bd4add728972196620779.zip.