iPadOS 12.4 (build 16G5056d) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2019-06-24T17:16:57Z. The update package is 191.38 MB. This is a delta (partial) update that requires 12.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 1ecf5b043719882ab122a6ecc58ba7aef9c61bb4.zip.