iPadOS 11.1 (build 15B93) is an official Apple over-the-air update for the iPad mini 2 (WiFi), released on 2017-10-23T17:02:09Z. The update package is 159.05 MB. This is a delta (partial) update that requires 11.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7b777375fcf51d03a6bf520822f17b2ce9147cac.zip.