iPadOS 11.1 (build 15B93) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2017-10-23T17:02:44Z. The update package is 1016.32 MB. This is a delta (partial) update that requires 10.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: fb70569927c4efff569cc957c34949dbf91ceccd.zip.