iPadOS 9.9.11.4 (build 15F6079) is an official Apple over-the-air update for the iPad 6 (Cellular), released on 2018-05-29T17:12:22Z. The update package is 1.78 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: db71204e44f25800ed2f21bfde7bd45c1d98fc3b.zip.