iPadOS 11.4 (build 15F79) is an official Apple over-the-air update for the iPad 5 (Cellular), released on 2018-05-29T17:14:41Z. The update package is 719.82 MB. This is a delta (partial) update that requires 11.1.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 8fcf97dbd42f3418154eea8e5270caf71f2e7062.zip.