iPadOS 13.3 (build 17C5053a) is an official Apple over-the-air update for the iPad Air 3 (Cellular), released on 2019-12-05T21:10:56Z. The update package is 350.41 MB. This is a delta (partial) update that requires 13.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 07974027d81bd54c11b33fb254f2787023f46dd9.zip.