iPadOS 12.1 (build 16B5089b) is an official Apple over-the-air update for the iPad 6 (Cellular), released on 2018-10-22T17:01:48Z. The update package is 419.82 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: 165b4289fd41f8a3f25b435388a31d1c7030e948.zip.