iPadOS 13.1 (build 17A5837a) is an official Apple over-the-air update for the iPad Air 3 (WiFi), released on 2019-09-10T20:11:46Z. The update package is 388.98 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: 9505e39ee774bb8d3b63f244597ebc7e030a8206.zip.