iPadOS 11.1 (build 15B5078e) is an official Apple over-the-air update for the iPad mini 3 (WiFi), released on 2017-10-09T17:02:00Z. The update package is 122.16 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: dd331bfe0a43a4341c13fa1df7fdc4e21eaf06df.zip.