iPadOS 9.9.26.4.1 (build 23E254) is an official Apple over-the-air update for the iPad Air 3 (Cellular), released on 2026-04-08T20:28:10Z. The update package is 7.05 GB. This is a delta (partial) update that requires 12.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e49fa8baef8477f3bc78f384c1b42c566591a455.zip.