iPadOS 11.4 (build 15F79) is an official Apple over-the-air update for the iPad 5 (Cellular), released on 2018-05-29T17:14:40Z. The update package is 750.73 MB. This is a delta (partial) update that requires 11.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: dc687a4dc056cda5942ea1872410d08962c36a55.zip.