iPadOS 12.1 (build 16B92) is an official Apple over-the-air update for the iPad 6 (WiFi), released on 2018-10-30T17:07:29Z. The update package is 400.12 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: feba78d131e771fc5d52e267d606b90a332c1510.zip.