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 162.6 MB. This is a delta (partial) update that requires 11.0.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 43483d43b7458b5d8d46bef4ac8d8c1c586a0585.zip.