iPadOS 11.1.1 (build 15B150) is an official Apple over-the-air update for the iPad 5 (WiFi), released on 2017-11-09T18:07:44Z. The update package is 162.61 MB. This is a delta (partial) update that requires 11.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 234de85bd2203899048d3d36d5e27281c6b3ea5b.zip.