iPadOS 11.3 (build 15E5189f) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2018-02-20T18:06:19Z. The update package is 293.74 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: b1a4a98e1bcedc573aafa477774615ee2125ac6e.zip.