iPadOS 12.3 (build 16F5129d) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2019-04-08T17:04:14Z. The update package is 357.58 MB. This is a delta (partial) update that requires 12.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 73d06b9198255d4c1e736483a4a5f311cf626653.zip.