iPadOS 11.2.6 (build 15D100) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2018-02-19T21:12:25Z. The update package is 154.91 MB. This is a delta (partial) update that requires 11.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 64061ebf467699d4268a934b1f9e2c69fe1bacae.zip.