iPadOS 15.7.3 (build 19H307) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2023-01-23T18:47:57Z. The update package is 2.17 GB. This is a delta (partial) update that requires 14.5 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 5dee7e5b837f6ab898924b562e23094210626bc4.zip.