iPadOS 11.4 (build 15F79) is an official Apple over-the-air update for the iPad 5 (WiFi), released on 2018-05-29T17:14:37Z. The update package is 630.73 MB. This is a delta (partial) update that requires 11.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 996db0a76b20530ff910599550ee7a1f38c9a8c1.zip.