iPadOS 11.4.1 (build 15G5072a) is an official Apple over-the-air update for the iPad 6 (WiFi), released on 2018-06-18T17:05:33Z. The update package is 158.7 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: c1cfc891eeafc0d9e92d2634e13df753b51e6d5f.zip.