iPadOS 12.3 (build 16F5129d) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2019-04-08T17:04:24Z. The update package is 275.82 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: 18985f80c77645d90d31e5520a7e75f494f41e63.zip.