iPadOS 12.3 (build 16F5129d) is an official Apple over-the-air update for the iPad 6 (WiFi), released on 2019-04-08T17:04:33Z. The update package is 319.42 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: 2463606352131ed818346a894c79721c1a485c8a.zip.