iPadOS 12.3 (build 16F5155a) is an official Apple over-the-air update for the iPad 5 (Cellular), released on 2019-05-07T17:03:50Z. The update package is 383.25 MB. This is a delta (partial) update that requires 12.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 6872aa3b89f6151234ae722ea6bf418ac211de49.zip.