iPadOS 9.9.12.1.1 (build 16C6050) is an official Apple over-the-air update for the iPad 6 (Cellular), released on 2018-12-05T18:06:41Z. The update package is 2.13 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: 60d7bcfd509d66fed89781291e3bf98cf6b3c003.zip.