iPadOS 11.4.1 (build 15G5074a) is an official Apple over-the-air update for the iPad 6 (Cellular), released on 2018-06-25T17:06:26Z. The update package is 50.63 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: 4d3912cfd8c3a95088194a6ef9ccde13c4b95659.zip.