iPadOS 11.4 (build 15F5077a) is an official Apple over-the-air update for the iPad Pro (10.5-inch, WiFi), released on 2018-05-14T17:17:07Z. The update package is 257.96 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: aa19e9ab4e89e92c0a81e123ca876369a47ac511.zip.