iPadOS 13.4.5 (build 17F5044d) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2020-04-15T17:15:09Z. The update package is 300.55 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: b66ce26b3c9b74f8dea7da9bdcb4d09adef359b5.zip.