iPadOS 13.1 (build 17A5844a) is an official Apple over-the-air update for the iPad Air 3 (Cellular), released on 2019-09-18T17:06:23Z. The update package is 121.01 MB. This is a delta (partial) update that requires 13.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9014b2de97a220aa47a1008287d167f4bf0e73f7.zip.