iPadOS 12.1 (build 16B92) is an official Apple over-the-air update for the iPad mini 3 (WiFi), released on 2018-10-30T17:05:09Z. The update package is 1.58 GB. 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: c96c72486fc6f9c3b4a91810878cd8bf7668efa0.zip.