iPadOS 12.1 (build 16B5089b) is an official Apple over-the-air update for the iPad mini 3 (WiFi), released on 2018-10-22T17:01:26Z. The update package is 355.19 MB. This is a delta (partial) update that requires 12.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4d4b5c69969c30c27bfae7f66f977833bf5c9f9b.zip.