iPadOS 12.1.1 (build 16C50) is an official Apple over-the-air update for the iPad mini 3 (WiFi), released on 2018-12-05T18:07:50Z. The update package is 1.23 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: b16e218d21977b61b44ae3fbd09eb791ab310426.zip.