iPadOS 11.1 (build 15B93) is an official Apple over-the-air update for the iPad mini 2 (Cellular), released on 2017-10-23T17:02:31Z. The update package is 26.39 MB. This is a delta (partial) update that requires 11.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 5e026441c9d49b9f9f9e185297a450221911de1e.zip.