iPadOS 9.9.17.7.6 (build 21H423) is an official Apple over-the-air update for the iPad 6 (WiFi), released on 2025-03-31T17:30:29Z. The update package is 4.93 GB. This is a delta (partial) update that requires 12.1.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 31f17d00ad1a67554f2e929d7addefa24efe4496.zip.