iPadOS 11.4.1 (build 15G5074a) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2018-06-25T17:06:20Z. The update package is 42.98 MB. This is a delta (partial) update that requires 11.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4d09b5b2090166d8b028c638d6f9c1e47611ff64.zip.