iPadOS 11.0.2 (build 15A421) is an official Apple over-the-air update for the iPad mini 4 (WiFi), released on 2017-10-03T17:01:41Z. The update package is 1.06 GB. This is a delta (partial) update that requires 10.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f61be670cdb79f892faaaccdba67ed1e5915465d.zip.