iPadOS 12.1.1 (build 16C50) is an official Apple over-the-air update for the iPad mini 2 (WiFi), released on 2018-12-05T18:07:27Z. The update package is 1.2 GB. This is a delta (partial) update that requires 11.2.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 5685440e1816fc953ef1a421cfa3e4db011bb53a.zip.