iPadOS 11.1 (build 15B5086a) is an official Apple over-the-air update for the iPad mini 3 (China), released on 2017-10-16T17:03:58Z. The update package is 109.67 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: fcddbf7f1b9e5139a82465bf6361dd1b24e4f579.zip.