iPadOS 13.3 (build 17C5046a) is an official Apple over-the-air update for the iPad Air 3 (WiFi), released on 2019-11-20T18:03:40Z. The update package is 132.28 MB. This is a delta (partial) update that requires 13.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: eb1a3c7f06bb49b6188eea75f546d9182d41cff1.zip.