iPadOS 11.1.1 (build 15B150) is an official Apple over-the-air update for the iPad mini 3 (WiFi), released on 2017-11-09T18:05:41Z. The update package is 1.08 GB. This is a delta (partial) update that requires 10.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2c1740f44857ea7b3b7c1845b05bdc1300cf6d20.zip.