iPadOS 11.1.1 (build 15B150) is an official Apple over-the-air update for the iPad 5 (WiFi), released on 2017-11-09T18:07:45Z. The update package is 39.43 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: 60935bee6c8d5604228b42a96c280c90bce8be37.zip.