iPadOS 15.7.3 (build 19H307) is an official Apple over-the-air update for the iPad mini 4 (WiFi), released on 2023-01-23T18:47:46Z. The update package is 2.36 GB. This is a delta (partial) update that requires 14.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 25d77aa2bf388f26e7dd7c9e06ff0acd14c3ac53.zip.