iPadOS 11.2.6 (build 15D100) is an official Apple over-the-air update for the iPad Air (Cellular), released on 2018-02-19T21:09:34Z. The update package is 466.17 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: b26ebe1d1a5a75f37be0fab2129f4ce0cbed7bbd.zip.