iPadOS 13.3.1 (build 17D5050a) is an official Apple over-the-air update for the iPad Air 3 (Cellular), released on 2020-01-22T18:06:54Z. The update package is 211.26 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: 6d834cc2ef377cdc2fb8500c80d14b4b550d1c30.zip.