iPadOS 12.3 (build 16F5155a) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2019-05-07T17:03:54Z. The update package is 59.06 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: 1e4e4f274da3bc1e9ce2b501ef94a8da07cedf77.zip.