iPadOS 12.1.1 (build 16C5050a) is an official Apple over-the-air update for the iPad mini 4 (WiFi), released on 2018-11-15T18:04:27Z. The update package is 287.88 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: 3eb0b4f2d4d59146c99ff82d0d078d06ee0934ae.zip.