iPadOS 12.3 (build 16F5129d) is an official Apple over-the-air update for the iPad Pro 9.7-inch (WiFi), released on 2019-04-08T17:04:21Z. The update package is 280.55 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: 1e59249c10e4cff201c98c91ca8686a3cad855e8.zip.