iPadOS 13.4.5 (build 17F5034c) is an official Apple over-the-air update for the iPad Air 3 (WiFi), released on 2020-03-31T17:19:46Z. The update package is 307.01 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: 37a67715ffb73c7869142301f33f0406a8bf7d11.zip.