iPadOS 12.3 (build 16F5155a) is an official Apple over-the-air update for the iPad mini 2 (WiFi), released on 2019-05-07T17:03:37Z. The update package is 348.25 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: 069f6d69d2f0ac737f34690b9c2fd548b4abe1ee.zip.