iPadOS 12.1 (build 16B92) is an official Apple over-the-air update for the iPad 6 (Cellular), released on 2018-10-30T17:07:31Z. The update package is 400.07 MB. This is a delta (partial) update that requires 12.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 343516a12f4cbf9276b6e86c460aed993a48af74.zip.