iPadOS 11.3 (build 15E5211a) is an official Apple over-the-air update for the iPad Pro 9.7-inch (WiFi), released on 2018-03-12T17:05:33Z. The update package is 206.88 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: f2134192865926a967ab6da2a0b5205a6b5d8044.zip.