iPadOS 12.3 (build 16F5148a) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, WiFi), released on 2019-04-29T17:35:53Z. The update package is 469.24 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: babdf7ad39eb3720a081e3301b9f9c97098fc58b.zip.