iPadOS 18.7.3 (build 22H217) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, WiFi), released on 2025-12-12T18:12:56Z. The update package is 5.78 GB. This is a delta (partial) update that requires 14.8 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7647966c4bfb57b1db5214a9da8fe3cb172a4a1e.zip.