iPadOS 13.1 (build 17A5821e) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2019-08-27T17:27:55Z. The update package is 355.44 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: 3cb821cad608d8883f259a182bc1f8055a9520f3.zip.