iPadOS 15.7 (build 19H12) is an official Apple over-the-air update for the iPad Air 3 (Cellular), released on 2022-10-24T18:37:58Z. The update package is 2.55 GB. This is a delta (partial) update that requires 14.8 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 40b322ca61bd0c35152817fbafe44b16382e158d.zip.