iPadOS 15.7.3 (build 19H307) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2023-01-23T18:47:56Z. The update package is 2.36 GB. This is a delta (partial) update that requires 14.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: cebf102415f6914d754a9f8a744b4b6c3ebea3a8.zip.