iPadOS 9.9.17.5.1 (build 21F90) is an official Apple over-the-air update for the iPad Air 5 (Cellular), released on 2024-05-20T17:22:24Z. The update package is 5.55 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: de53ef4360b28ce2be93980f82394b0ebf84e517.zip.