iPadOS 13.4 (build 17E5241d) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2020-02-26T18:17:22Z. The update package is 240.66 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: 83dd8267f18cf413a339470a0b7899dde5012d24.zip.