iPadOS 11.4.1 (build 15G5072a) is an official Apple over-the-air update for the iPad Air (WiFi), released on 2018-06-18T17:05:21Z. The update package is 148.29 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: 0e71507ede546de5e960fe6dee5c8842e31a38b8.zip.