iPadOS 11.4 (build 15F5037c) is an official Apple over-the-air update for the iPad Pro (10.5-inch, WiFi), released on 2018-04-02T17:06:44Z. The update package is 242.48 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: d9a7c6b8aa32b95ca5ea8f350ace10efb32ed483.zip.