iPadOS 12.3 (build 16F5155a) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, WiFi, 1TB Model), released on 2019-05-07T17:04:01Z. The update package is 469.41 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: 6ed7333bc692bc23b342df3e8e126ada15e0af18.zip.