iPadOS 9.9.15.4.1 (build 19E6258) is an official Apple over-the-air update for the iPad 8 (Cellular), released on 2022-03-31T17:14:00Z. The update package is 4.16 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: 20e16dd17470519ac08ab97dc3534a923f37b423.zip.