iPadOS 12.1.1 (build 16C50) is an official Apple over-the-air update for the iPad 6 (WiFi), released on 2018-12-05T18:09:37Z. The update package is 428.49 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: e8af08d12c8d009ac2ebeab8fee3d8c4c7f85374.zip.