iPadOS 12.3 (build 16F5155a) is an official Apple over-the-air update for the iPad Pro 2 (12.9-inch, WiFi), released on 2019-05-07T17:03:55Z. The update package is 383.03 MB. This is a delta (partial) update that requires 12.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 02771a8a47b684da3509549f1cc94a1d1c520ad8.zip.