iPadOS 11.1.2 (build 15B202) is an official Apple over-the-air update for the iPad 5 (WiFi), released on 2017-11-16T21:18:34Z. The update package is 162.75 MB. This is a delta (partial) update that requires 11.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 24a7343a72803945ffe39654b02fb7866feed692.zip.