iPadOS 13.5 (build 17F5054h) is an official Apple over-the-air update for the iPad Air 3 (Cellular), released on 2020-04-29T17:06:36Z. The update package is 371.55 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: 9bd5b7daf747e863bba6b1bdf0c9756a78051234.zip.