iPadOS 11.4 (build 15F5037c) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2018-04-02T17:06:39Z. The update package is 238.45 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: d5a376688703c544c2408bf7e7c8b065c14da4cd.zip.