iPadOS 13.4 (build 17E5255a) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2020-03-10T17:20:56Z. The update package is 75.18 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: a2d9a219e6c7198d410bdd8f73a9e4415bcb753f.zip.