iPadOS 9.9.12.1 (build 16B5089b) is an official Apple over-the-air update for the iPad 6 (Cellular), released on 2018-10-22T17:01:49Z. The update package is 2.12 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: fb8ca6f56b33f1d3696cc10ee0dfdfa88dbeccd2.zip.