iPadOS 11.4 (build 15F79) is an official Apple over-the-air update for the iPad 5 (WiFi), released on 2018-05-29T17:14:38Z. The update package is 284.69 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: d2fea56da8217f9c4e41b472bfbe9cb19e1c3868.zip.