iPadOS 11.1 (build 15B5086a) is an official Apple over-the-air update for the iPad mini 2 (Cellular), released on 2017-10-16T17:03:55Z. The update package is 83.65 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: d8aa7f8c36a70c46f3eb0c2cbc2dc937cdd7c96b.zip.