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 355.93 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: 67d1e0d6e64319ccc176916fa9747247104fd5f3.zip.