iPadOS 13.5 (build 17F5065a) is an official Apple over-the-air update for the iPad Air 3 (Cellular), released on 2020-05-06T17:08:12Z. The update package is 386.1 MB. This is a delta (partial) update that requires 13.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9c724408184289ba3b53243ce833bcfc456b982b.zip.