iPadOS 13.3 (build 17C5053a) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2019-12-05T21:11:00Z. The update package is 320.3 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: bc01b3b82aef0a03aafe91c1e8b8fe83faaefba6.zip.