iPadOS 9.9.15.4 (build 19E241) is an official Apple over-the-air update for the iPad 6 (WiFi), released on 2022-03-14T17:14:04Z. The update package is 3.8 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: 53e3520425423593f20c9fad96c555a2c32ac64c.zip.