iPadOS 11.3 (build 15E5189f) is an official Apple over-the-air update for the iPad Pro 9.7-inch (WiFi), released on 2018-02-20T18:06:18Z. The update package is 293.78 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: bd025622e0bc7556c20f34fe18b2af5985a2f837.zip.