iPadOS 13.3.1 (build 17D5050a) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2020-01-22T18:06:58Z. The update package is 74.39 MB. This is a delta (partial) update that requires 13.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2fea7838eccde7370d2f91f1e4a5a130d15ebeb7.zip.