iPadOS 12.3 (build 16F5117h) is an official Apple over-the-air update for the iPad mini 4 (WiFi), released on 2019-03-27T17:05:50Z. The update package is 311.72 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: 1091c6b03e6a0c265eafdca1f71c7814ef7c5467.zip.