iPadOS 11.0 (build 15A5370a) is an official Apple over-the-air update for the iPad mini 2 (WiFi), released on 2017-08-31T16:55:57Z. The update package is 31.5 MB. This is a delta (partial) update that requires 11.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: bb1926881327682e9646e063af9e586b8b000119.zip.