iPadOS 12.3 (build 16F5156a) is an official Apple over-the-air update for the iPad 5 (WiFi), released on 2019-05-10T17:08:34Z. The update package is 383.32 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: e364bea8b3a90d7dd9ec959ea3a13f169003e537.zip.