iPadOS 11.3 (build 15E5189f) is an official Apple over-the-air update for the iPad Pro (10.5-inch, WiFi), released on 2018-02-20T18:06:21Z. The update package is 300.92 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: 13e1870838d8c065c39afa7415d0703f21e9ed2a.zip.