iPadOS 12.1.1 (build 16C5043b) is an official Apple over-the-air update for the iPad 6 (WiFi), released on 2018-11-07T21:08:44Z. The update package is 272.33 MB. This is a delta (partial) update that requires 12.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ecadd2433336ca51e4159a00bb64486d86845bd2.zip.