iPadOS 11.1 (build 15B93) is an official Apple over-the-air update for the iPad mini 2 (WiFi), released on 2017-10-23T17:02:08Z. The update package is 1016.25 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: df58ba4650d5e7cff98efd6a7cc28f4f668d39a6.zip.