iPadOS 12.4 (build 16G5038d) is an official Apple over-the-air update for the iPad 5 (WiFi), released on 2019-05-28T17:07:12Z. The update package is 198.02 MB. This is a delta (partial) update that requires 12.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 0c73ad5dda89a59b44f218bdb523b50ca4156930.zip.