iPadOS 11.1.1 (build 15B150) is an official Apple over-the-air update for the iPad mini 3 (WiFi), released on 2017-11-09T18:05:43Z. The update package is 163.11 MB. This is a delta (partial) update that requires 11.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a8a0833fc5eeb9d1f149cbfee2a7f8c0d22c3c6b.zip.