iPadOS 11.1 (build 15B5078e) is an official Apple over-the-air update for the iPad 5 (Cellular), released on 2017-10-09T17:02:06Z. The update package is 121.95 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: 030dd2798a1865ffd0080d5443dbc245690cc2af.zip.