iPadOS 12.3 (build 16F5155a) is an official Apple over-the-air update for the iPad 5 (Cellular), released on 2019-05-07T17:03:51Z. The update package is 63.29 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: 7b249f9aa3d9c072184a5a6355ba4e9d4a5b101c.zip.