iPadOS 11.4.1 (build 15G5063b) is an official Apple over-the-air update for the iPad 6 (Cellular), released on 2018-06-11T17:21:50Z. The update package is 225.12 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: 8a10a3bd374c52d4ecacad3ab370cde944bbe283.zip.