iPadOS 11.2.6 (build 15D100) is an official Apple over-the-air update for the iPad Air (Cellular), released on 2018-02-19T21:09:31Z. The update package is 1.08 GB. This is a delta (partial) update that requires 10.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: dc7fb0e6b10503c9b2dd411d7a0f0f878d7ee2dd.zip.