iPadOS 12.3 (build 16F5148a) is an official Apple over-the-air update for the iPad Pro 2 (12.9-inch, Cellular), released on 2019-04-29T17:35:49Z. The update package is 97.57 MB. This is a delta (partial) update that requires 12.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b930727ae91b4122f77d739546e8ca440ba6df49.zip.