iPadOS 15.7.4 (build 19H321) is an official Apple over-the-air update for the iPad mini 4 (WiFi), released on 2023-03-27T17:11:40Z. The update package is 655.42 MB. This is a delta (partial) update that requires 15.5 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 1fbd71e8d8491e489d224c6749d9114508fab5f8.zip.