iPadOS 11.3 (build 15E5178f) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2018-02-06T18:21:12Z. The update package is 280.58 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: 31d83769058a1632e0ab0c949368fb03dfdeb0d8.zip.