iPadOS 11.4 (build 15F5071a) is an official Apple over-the-air update for the iPad Pro 9.7-inch (WiFi), released on 2018-05-07T17:11:15Z. The update package is 252.68 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: 6863c415b4f3cf1da5f2513177459dce3a25c1d1.zip.