iPadOS 13.1 (build 17A5831c) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2019-09-04T17:05:35Z. The update package is 493.33 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: 0dd7d4f24069c0e35277d54e1204c299a8ead7f8.zip.