iPadOS 12.1 (build 16B5077c) is an official Apple over-the-air update for the iPad mini 3 (WiFi), released on 2018-10-09T17:05:23Z. The update package is 353.94 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: eba6dc1e08c2bc081f22482799552e6456829d50.zip.