iPadOS 12.1 (build 16B5068i) is an official Apple over-the-air update for the iPad 6 (WiFi), released on 2018-10-02T17:11:54Z. The update package is 300.69 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: 6082c06e14b31f471618dc1c20620155f01d3a5e.zip.