iPadOS 12.3 (build 16F5148a) is an official Apple over-the-air update for the iPad 5 (WiFi), released on 2019-04-29T17:35:38Z. The update package is 95.02 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: 914596a753611b8f50956d11d654a68b3fd8cb8b.zip.