iPadOS 9.9.12.1.4 (build 16D6057) is an official Apple over-the-air update for the iPad 6 (Cellular), released on 2019-02-07T18:05:59Z. 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: 05a3a078601c251549663da7e9d75180635fa3bd.zip.