iPadOS 12.3 (build 16F5148a) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2019-04-29T17:35:36Z. The update package is 88.84 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: c3fe5113e70932fd668a4c28421221796bc538ec.zip.