iPadOS 12.3 (build 16F5155a) is an official Apple over-the-air update for the iPad 6 (WiFi), released on 2019-05-07T17:03:59Z. The update package is 80.94 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: d58e9155e3004a0c872462524d92dc479e4ee5c3.zip.