iPadOS 11.3 (build 15E5178f) is an official Apple over-the-air update for the iPad Pro 9.7-inch (WiFi), released on 2018-02-06T18:21:11Z. The update package is 280.64 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: 7698f145e8efe6ac9f5765bbc757d118c58dd56f.zip.