iPadOS 11.4 (build 15F5079a) is an official Apple over-the-air update for the iPad 5 (WiFi), released on 2018-05-17T17:02:04Z. The update package is 292.69 MB. This is a delta (partial) update that requires 11.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 57da857a92fe0a16ac4db4be3853b66c692c6dc4.zip.