iPadOS 13.1 (build 17A5831c) is an official Apple over-the-air update for the iPad Air 3 (Cellular), released on 2019-09-04T17:05:30Z. The update package is 533.02 MB. This is a delta (partial) update that requires 13.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ebb747ebeb72724ec1b52e658c1c5abb237943ce.zip.