iPadOS 12.1 (build 16B5068i) is an official Apple over-the-air update for the iPad 6 (Cellular), released on 2018-10-02T17:11:54Z. The update package is 300.63 MB. This is a delta (partial) update that requires 12.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 8c0fce3b1ac70b39d7d04739f25be8ffccff9b6d.zip.