iPadOS 12.3 (build 16F5156a) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2019-05-10T17:08:34Z. The update package is 46.38 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: d136729d2a2f2dbe8013a3bcbfd4f69db650d33b.zip.