iPadOS 15.7.4 (build 19H321) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2023-03-27T17:11:45Z. The update package is 2.36 GB. This is a delta (partial) update that requires 14.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: eb18247f74e2aab2fec9d1a9b68a234afd31a7ea.zip.