iPadOS 11.3 (build 15E5216a) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2018-03-16T17:05:10Z. The update package is 53.13 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: 84756934d694dbf730bdfaef0e827b3d51af19b4.zip.