iPadOS 11.4 (build 15F5049c) is an official Apple over-the-air update for the iPad 5 (Cellular), released on 2018-04-16T17:07:47Z. The update package is 232.53 MB. This is a delta (partial) update that requires 11.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2efb25039ba027777ddca0d474a9f5652d8d8a3c.zip.