iPadOS 12.3 (build 16F5139e) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2019-04-22T17:08:07Z. The update package is 272.44 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: 63ed36ec749fd5e10acbafae1dbcd2e3e5ae3836.zip.