iPadOS 11.3 (build 15E216) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2018-03-29T17:11:18Z. The update package is 604.82 MB. This is a delta (partial) update that requires 11.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4999ebceb8829c72ee23706cfe6d6a26e177ff9b.zip.