iPadOS 12.3 (build 16F5156a) is an official Apple over-the-air update for the iPad 5 (Cellular), released on 2019-05-10T17:08:38Z. The update package is 45.69 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: fd8c107279ac8f2dea0d7acdc40fdae278012e14.zip.