iPadOS 13.3 (build 17C5053a) is an official Apple over-the-air update for the iPad Air 3 (Cellular), released on 2019-12-05T21:10:57Z. The update package is 92.5 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: 917a340f24c31126eacc2279b7f14e1212284522.zip.