iPadOS 13.4.5 (build 17F5044d) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2020-04-15T17:15:08Z. The update package is 300.6 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: b30417563f9722616d41df67190cb98f4d725949.zip.