iPadOS 12.3 (build 16F5156a) is an official Apple over-the-air update for the iPad mini 3 (WiFi), released on 2019-05-10T17:08:20Z. The update package is 370.66 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: 020e1baac22fc44e6994bb7105ac1a4c1d7aa180.zip.