iPadOS 11.4 (build 15F79) is an official Apple over-the-air update for the iPad 5 (Cellular), released on 2018-05-29T17:14:42Z. The update package is 719.76 MB. This is a delta (partial) update that requires 11.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: afe70d5451e619bad1aadfbfaa0e2fe5313e8db5.zip.