iPadOS 11.1 (build 15B5078e) is an official Apple over-the-air update for the iPad mini 2 (WiFi), released on 2017-10-09T17:01:58Z. The update package is 117.88 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: 39a81080f86b0a82fdc32d68cba140681d19d0dd.zip.